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PubMed2002

Sleep complaints and visual impairment among older Americans: a community-based study.

BACKGROUND: This report describes the associations between sleep complaints and reported visual impairment in an urban community-residing older adult sample. METHODS: A total of 1118 volunteers from a biracial cohort participated in the study (mean age = 74 +/- 6; mean body mass index = 28 +/- 10). Volunteers were recruited using a stratified, cluster sampling technique. In a standard order, several questionnaires were administered, soliciting information on socioeconomic status, physical health, social support, and emotional experience. The physical health questionnaire included questions on whether or not the volunteer experienced sleep disorder, visual impairment, heart disease, respiratory disease, arthritis, and hypertension. In this report, we present data on the prevalence of reported sleep problems and visual impairment among older adults. RESULTS: Of the total sample, 9% used sleep medicine, 25% reported difficulty falling asleep, 52% indicated experiencing difficulty maintaining sleep, 28% reported waking up early in the morning, and 12% reported daytime sleep longer than 2 hours. Chi-square results showed greater sleep complaints for volunteers with visual impairment. Consistent with these results, analysis of variance revealed that visually impaired volunteers had a higher index rate of sleep disturbance (F((1, 1110)) = 35.32, p <.0001). CONCLUSIONS: These data provide evidence that older adults reporting visual impairment are also likely to report sleep complaints. This verifies laboratory findings of an association of ophthalmic diseases with sleep-wake problems and with circadian rhythm abnormalities.

Adult↗

PubMed1978

Prevalence and correlates of poor sleep among adolescents.

The Stanford Sleep Inventory was given to 639, 11th- and 12th-grade students to assess the prevalence and correlates of poor sleep among an adolescent population. Of the sample reported, 49.8% had no sleep problems, whereas 37.6% reported occasional sleep disturbance and 12.6% reported chronic and severe sleep disturbance. Students complaining of disturbed sleep were more likely than good sleepers to describe negatively their physical and personality characteristics. The clinical implications of these data for developing educationally-based nondrug treatment of the complaint of insomnia among adolescents are discussed.

Adolescent↗

PubMed1999

Excessive daytime sleepiness and sleep benefit in Parkinson's disease: a community-based study.

The objective of this study was to investigate the frequency of excessive daytime sleepiness (EDS) and the beneficial effect of sleep on motor performance in an unselected community-based sample of patients with Parkinson's disease (PD). Furthermore, we wanted to identify possible risk factors to these phenomena. Detailed information on somnolence and sleep during daytime, as well as sleep benefit (SB) on awakening, was collected through a questionnaire among 245 patients with PD. Daytime somnolence was graded in groups of no somnolence, mild daytime sleepiness, and EDS. In addition, the occurrence of somnolence in the patients with PD was compared with the occurrence among control groups of patients with diabetes mellitus and of healthy elderly subjects. The correlations between EDS and SB and various motor- and non-motor symptoms of PD were evaluated. Among the patients with PD, 15.5% experienced EDS, significantly more than in the patients with diabetes mellitus (4%) and the healthy control subjects (1%). The frequency of mild daytime sleepiness was similar (10%) in patients with PD and control subjects. The patients with EDS had significantly higher staging of PD, were more disabled, and showed a higher frequency of cognitive decline compared with the patients without somnolence. They also had been using levodopa for a longer time and had more hallucinations. The occurrence of nocturnal sleeping problems and the use of sleeping pills was similar in the two groups, as was the mean age at examination, duration of PD, and presence of fluctuations and dyskinesias. SB was found in 42.2% of the patients with PD. These patients had been using levodopa for significantly longer and had significantly more fluctuations and dyskinesias compared with the patients without SB. Our results suggest that mild daytime sleepiness may be a result of normal aging, whereas more severe EDS can be explained by the neuropathologic changes of PD. The data from this community-based study confirms the previously reported high frequencies of SB.

Aged↗

PubMed2005

Gender differences in adolescent depression: do symptoms differ for boys and girls?

BACKGROUND: Limited prior research suggests that depressed women are more likely to experience certain symptoms of depression than are depressed men. The purpose of this study was to examine whether such gender differences in depressive symptoms are present during adolescence. METHODS: The Childhood Version of the Schedule for Affective Disorders and Schizophrenia and the Beck Depression Inventory were administered to adolescents presenting for evaluation at an outpatient clinic (n=383; ages 11.9 to 20.0). RESULTS: Depressed girls and boys had similar symptom prevalence and severity ratings for most depressive symptoms. However, depressed girls had more guilt, body image dissatisfaction, self-blame, self-disappointment, feelings of failure, concentration problems, difficulty working, sadness/depressed mood, sleep problems, fatigue, and health worries than depressed boys on some comparisons. In contrast, depressed boys had higher clinician ratings of anhedonia, depressed morning mood, and morning fatigue. LIMITATIONS: Longitudinal research is needed to test whether such relatively gender-specific symptoms play different roles in the onset, maintenance, or remittance of depression for boys and girls. CONCLUSIONS: These findings indicate that, in general, the experience of depression is highly similar for adolescent girls and boys. However, some gender differences previously found among depressed adults appear to be present by adolescence, possibly suggesting somewhat distinct etiologies for depression among males and females.

Adolescent↗

PubMed2006

Party drug use in techno nights: a field survey among French-speaking Swiss attendees.

This study was designed to investigate the lifestyle and substance use habits of dance music event attendees together with their attitudes toward prevention of substance misuse, harm reduction measures and health-care resources. A total of 302 attendees aged 16-46 years (mean=22.70, S.D.=4.65) were randomly recruited as they entered dance music events. Rates for lifetime and current use (last 30 days) were particularly high for alcohol (95.3% and 86.6%, respectively), cannabis (68.8% and 53.8%, respectively), ecstasy (40.4% and 22.7%, respectively) and cocaine (35.9% and 20.7%, respectively). Several patterns of substance use could be identified: 52% were alcohol and/or cannabis only users, 42% were occasional poly-drug users and 6% were daily poly-drug users. No significant difference was observed between substance use patterns according to gender. Pure techno and open-air events attracted heavier drug users. Psychological problems (such as depressed mood, sleeping problems and anxiety attacks), social problems, dental disorders, accidents and emergency treatment episodes were strongly related to party drug use. Party drug users appeared to be particularly receptive to harm reduction measures, such as on-site emergency staff, pill testing and the availability of cool water, and to prevention of drug use provided via counseling. The greater the involvement in party drug use, the greater the need for prevention personnel to be available for counseling. General practitioners appeared to be key professionals for accessing health-care resources.

Adolescent↗

PubMed2006

Correlates of sleep and pediatric bipolar disorder.

STUDY OBJECTIVE: To determine, based on a large community sample, the prevalence and associated sleep characteristics of children with a bipolar mood disturbance behavioral profile. METHODS: Participants who fit the pediatric bipolar disorder profile as derived from the Child Behavior Checklist were matched to control participants for age, sex, ethnicity, parentally reported attention-deficit/hyperactivity disorder, psychotropic medication usage, and apnea-hypopnea indexes. Paired comparisons were made between the groups to examine differences on polysomnographic data and parentally reported sleep characteristics. RESULTS: Thirteen (approximately 3%) of 438 participants fit the pediatric bipolar disorder profile. These children demonstrated significant sleep-continuity disturbances with poorer sleep efficiency and more awakenings after sleep onset, less rapid eye movement sleep, and longer periods of slow-wave sleep than their matched counterparts during overnight polysomnography. In addition, responses to a parental-report questionnaire about child sleep behavior suggest these children have significant sleep problems, including more difficulty initiating sleep, restless sleep, nightmares, and morning headaches relative to the control group. CONCLUSIONS: Children with a pediatric bipolar disorder profile display consistent quantitative differences in sleep relative to matched controls. Prevalence rates of pediatric bipolar disorder, as assessed by the Child Behavior Checklist, are consistent with those found in the adult bipolar population.

Aggression↗

PubMed1997

A transcultural pattern of drug use: qat (khat) in the UK.

BACKGROUND: This study investigates patterns of qat use among 207 Somalis living in London. METHOD: Subjects were recruited using privileged access interviewing. Somalian interviewers were recruited who shared the same culture as the subjects. Data were collected by means of a structured interview. RESULTS: One hundred and sixty-two subjects (78%) had used qat. The majority (76%) used more qat than in Somalia. Some users reported moderate dependence; a minority reported severe problems. Adverse psychological effects included sleep problems, anxiety and depression. Medical problems associated with qat use were rare. CONCLUSIONS: Qat users who continue to use this drug when it is transplanted from a traditional context may experience difficulties. Qat use can also be seen as playing a positive role in supporting the cultural identity of the Somalian community. Severe problems were rarely reported. Qat consumption should be considered when addressing health-related topics with patients from those communities in which qat use is common.

Adolescent↗

PubMed2005

Sleep disturbance and injury risk in young children.

The objective of this study was to investigate the relationship between sleep disturbance and both injury rates and injury-prone behaviors in preschool-age and early school-age children, using cross-sectional surveys of sleep disturbance (Children's Sleep Habits Questionnaire) and injury-related behaviors (Injury Behavior Checklist), and chart review of injuries. Participants were 71 patients enrolled in a pediatric clinic in a children's teaching hospital, ages 3 through 7 years, coming either for well-child care in a pediatric primary care clinic or for pediatric emergency room treatment of minor injuries. Results suggest that children with more frequent injuries had significantly more sleep problems overall, particularly anxiety around sleep, than did children with low injury rates. Children with more parent-reported injury-prone behaviors also had significantly more sleep disturbance. Daytime sleepiness-related items did not differ between injury history or injury behavior groups. Results of this study support an increased prevalence of sleep disturbances in young children with higher injury rates and more injury-prone behavior. Sleep disturbance may be a potential risk factor for increased injuries in this age group.

Accident Proneness↗

PubMed2006

Prevalence of symptoms and risk of sleep apnea in the US population: Results from the national sleep foundation sleep in America 2005 poll.

BACKGROUND: Obstructive sleep apnea (OSA) is a common medical condition with significant adverse consequences, but OSA remains undiagnosed in many individuals. The Berlin questionnaire is a validated instrument that is used to identify individuals who are at risk for OSA. DESIGN: We conducted an analysis of data from the Sleep in America 2005 Poll of The National Sleep Foundation (NSF). The NSF poll is an annual telephone interview of a representative sample of US adults. PARTICIPANTS: The 2005 NSF poll included 1,506 adults. The mean age of participants was 49 years (775 were women). MEASUREMENTS: The Berlin questionnaire was embedded in the NSF poll. This instrument includes questions about snoring, witnessed apneas, self-reported hypertension, and daytime sleepiness. Height and weight were included for the calculation of body mass index (BMI). The NSF poll included detailed demographic information and extensive questions related to all aspects of sleep. RESULTS: Of the 1,506 respondents, 26% (31% of men and 21% of women) met the Berlin questionnaire criteria indicating a high risk of OSA. The risk of OSA increased up to age 65 years. A significant number of obese individuals (57%) were at high risk for OSA. Those whose Berlin questionnaire scores indicated a high risk for OSA were more likely to report subjective sleep problems, a negative impact of sleep on quality of life, and a chronic medical condition than those who were at lower risk. CONCLUSIONS: As many as one in four American adults could benefit from evaluation for OSA. Considering the serious adverse health and quality-of-life consequences of OSA, efforts to expedite diagnosis and treatment are indicated.

Adolescent↗

PubMed1999

Are age differences in sleep due to phase differences in the output of the circadian timing system?

Our aim was to evaluate whether age-related changes in the phase of the output of the circadian timing system (CTS) can explain age differences in habitual bedtime/wake time and in sleep consolidation parameters. Analyses focused on a group of healthy elderly people (older than 70 years) with no sleep problems and with similar subjective sleep quality as a young control group. The 2-week sleep diary data and 24h laboratory temperature recordings were examined for 70 subjects (22 young men [YM], 19 old men [OM], 29 old women [OW]). Polysomnographic (PSG) sleep data recorded during temperature data acquisition were also available for 62 subjects. These analyses made use of our recently developed technique to demask temperature rhythm data. As expected, compared to the young subjects, older subjects showed earlier habitual bedtime and wake time, more disturbed sleep, and a tendency for an earlier minimum of the circadian temperature rhythm. Despite sleep consolidation differences, the groups showed very similar habitual phase-angle differences (interval between the time occurrence of the fitted temperature minimum and habitual wake time). Both elderly and young subjects woke up on average 3 h after the temperature minimum. After controlling for the effects of age group, habitual bedtime and wake time were related to clock time phase of the circadian temperature rhythm, with an earlier phase associated with earlier habitual bedtime and wake time. None of the sleep consolidation parameters were linked to the temperature phase angle. In conclusion, sleep consolidation changes associated with healthy aging do not appear to be related to changes in the phase-angle difference between the output signal from the CTS and sleep.

Adult↗

PubMed1995

Risk factors of psychosocial problems among children working in workshops in Alexandria.

This study was conducted to determine whether psychosocial problems occurring among working children are associated with other social or occupational factors. A sample of 34 working children ageing from 10-14 years was studied. They were classified into 2 groups according to the occurrence of psychosocial problems as anxiety, eating or sleeping problems, fatigue, nightmares etc... Interview data were examined to identify factors that might be considered as risk factors in psychosocial problems. Ten variables distinguished children with psychosocial problems. These variables were classified by the discriminant analysis technique, by order of importance as effort done, housing conditions, nature of the work, substance intake, educational status, degree of job satisfaction, income, nutrition, age and occupation. These variables correctly classified 100% of the affected group and misclassified 13.3% of the non affected group. This could alert health professionals to the existence of more pervasive disturbances in the child's labor conditions, as well as the child's environment.

Adolescent↗

PubMedDate not supplied

Sleep disturbances in women with metastatic breast cancer.

We examined sleeping problems in women with metastatic breast cancer in relation to depression, social support, and salivary cortisol. Ninety-seven women with metastatic breast cancer were drawn from a larger study on the effects of group therapy on quality of life and survival. This study is based on the baseline assessments conducted prior to randomization into treatment conditions. Sleep, depression symptoms, and social support were assessed by self-reporting. Cortisol was assessed from saliva samples taken over a 3-day period. Medical status and demographic characteristics were also examined in relation to each sleep variable in multiple regression analysis. Most women (63%) reported one or more types of sleep disturbance and 37% reported using sleeping pills in the previous 30 days. Problems with falling to sleep were significantly related to greater pain and depressive symptoms. Problems of waking during the night were significantly associated with greater depression and less education. Problems in waking/getting up were significantly associated with greater depressive symptoms and less social support. Sleepiness during the day was not significantly related to the variables in the regression model. Fewer hours of sleep were significantly associated with metastases to the bone, higher depressive symptoms, and more social support. Women who reported sleeping 9 or more hours per night, compared to those who reported a moderate amount of sleep (6.5-8.5 hours), had significantly lower 9 p.m. cortisol levels. Use of sleeping pills was more frequent among women reporting greater pain and depressive symptoms. These results suggest that women with metastatic breast cancer who are at higher risk for having sleeping problems are those who are less educated, in pain, depressed, have bony metastases, or lack social support.

Adult↗

PubMed2004

Sleep disturbances and chronic disease in older adults: results of the 2003 National Sleep Foundation Sleep in America Survey.

OBJECTIVE: To assess the association between sleep problems and chronic disease in older adults. METHODS: Self-reported standardized questionnaire data from 1506 community-dwelling men and women aged 55-84 years in the continental United States who completed a 20-min telephone interview when contacted from lists of randomly selected telephone numbers. RESULTS: A majority of the participants (83%) reported one or more of 11 medical conditions and nearly one in four elderly respondents (age 65-84 years) had major comorbidity (i.e. four or more conditions). Depression, heart disease, bodily pain and memory problems were associated with more prevalent symptoms of insomnia. Other conditions such as obesity, arthritis, diabetes, lung diseases, stroke and osteoporosis were associated with other sleep-related problems such as breathing pauses, snoring, daytime sleepiness, restless legs or insufficient sleep (<6 h nightly). CONCLUSIONS: Poll findings are consistent with epidemiological studies of sleep, aging and chronic disease. These results suggest that the sleep complaints common in older adults are often secondary to their comorbidities and not to aging per se. These types of studies may be useful in promoting sleep awareness among health professionals and among older adults, especially those with heart disease, depression, chronic bodily pain or major comorbidity.

Aged↗

PubMed2006

Nightmare complaints in treatment-seeking patients in clinical sleep medicine settings: diagnostic and treatment implications.

STUDY OBJECTIVES: To develop clinical guideposts to identify patients with salient nightmare conditions. DESIGN: Prevalence data from a retrospective chart review on a consecutive series of sleep patients to assess how or whether those with nightmares (1) rank nightmare complaints compared to other sleep complaints, (2) link nightmares to disrupted sleep, (3) report worse sleep symptoms and health outcomes compared to other sleep patients, and (4) endorse criteria for a salient nightmare condition on the Disturbing Dream and Nightmare Severity Index. SETTING: Two community sleep facilities: private sleep medical center and a hospital-based sleep lab. PATIENTS: Seven hundred eighteen patients presenting at intake: sleep center (n = 620); sleep lab (n = 98). MEASUREMENTS AND RESULTS: Standard sleep parameters and various health outcomes were assessed with self-report measures. Of 718 sleep patients, 186 ranked a nightmare complaint among their sleep problems, of whom 117 linked their bad dreams to disrupted sleep, suggesting a potential salient nightmare condition. Compared to all other sleep patients, these 117 cases demonstrated consistent significant patterns of worse or more prevalent problems with self-reported sleep indexes, insomnia, sleep quality, sleep-fragmentation factors, sleep-related daytime impairment, psychiatric history, medical comorbidity, and parasomnias. The Disturbing Dream and Nightmare Severity Index identified those with salient nightmare complaints and correlated with worse sleep and health outcomes. CONCLUSIONS: At 2 sleep medical facilities, 16% of patients presented with an apparent salient nightmare condition, and these patients were identified with simple clinical guideposts, which could be incorporated at intake in various sleep medicine settings.

Adolescent↗

PubMed2004

[Tic disorders and arousal dysfunction: clinical evaluation of 49 children and adolescents].

AIM: Tourette Syndrome (TS) shows a significant comorbidity with obsessive-compulsive disorders, behavioral problems (i.e. attention-deficit/hyperactivity disorders) and sleep disturbances. Several studies showed that sleep problems are common in TS patients affecting 12% to 62% of patients. Aim of this study was to evaluate the relationships between tics, sleep disorders and behavioral disturbances. METHODS: Fourty-nine consecutive children and adolescents with tics have been studied by the following procedure: a) the Yale Global Tic Severity Scale (YGTSS) was administered in order to establish the severity of tics; b) the Child Behavior Checklist (CBCL) was used to evaluate behavioural disturbances; c) the Sleep Disturbance Scale for Children (SDSC) was filled out in order to assess the presence of sleep disorders. An age-matched control group was used for comparison. RESULTS: All patients (either TS or non-TS) showed a higher prevalence of sleep disturbances versus the control group. Sleep-wake transition disorders (SWTD) were the most frequent sleep disturbances found in our sample, followed by disorders of initiating and maintaining sleep (DIMS). These latter sleep disturbances were highly correlated with the severity of tics. Internalization problems, anxiety/depression and attention and thinking problems were very frequent in our sample. Correlation analysis showed a positive relationship between internalization problems and DIMS and also between aggressive behaviour and respiratory disturbances during sleep (RDS). CONCLUSION: The results obtained seem to confirm the literature reports on the strict relationship between tics and sleep disturbances, mainly SWTD, and further support the hypothesis of a dysfunction of arousal mechanism in TS.

Adolescent↗

PubMed2005

Treatment of sleep disorders in elderly patients.

Sleep disorders are common among the elderly and are associated with diminished quality of life, increased risk for development of psychiatric disorders, inappropriate use of sleep aids, and decreased daytime functioning. The most common and important sleep disorders in the elderly include insomnia, obstructive sleep apnea syndrome, restless legs syndrome, rapid eye movement sleep behavior disorder, and the advanced sleep phase syndrome. In this article, we summarize the current treatment strategies for each of these sleep-related disorders. Before contemplating specific treatments, the authors recommend that more conservative and nonpharmacologic therapies be attempted first because the elderly are more likely to have medication side effects or complications related to surgery. Many sleep problems can be treated by simple sleep hygiene modifications that can be implemented and adopted easily. For others, therapies that specifically consider older adults may be required. For each of the sleep disorders we provide an updated discussion of therapies beginning with diet and lifestyle, pharmacologic treatment, interventional procedures, surgery, assistive devices, physical and speech therapy, exercise, and emerging therapies with specific considerations for older adults.

Journal Article↗

PubMed2006

Secondary conditions in a community-based sample of women with physical disabilities over a 1-year period.

OBJECTIVE: To examine prevalence and predictors of secondary conditions in women with physical disabilities. DESIGN: Cross-sectional. SETTING: Women were recruited through private and public health clinics and various community organizations. PARTICIPANTS: A sample of 443 predominantly ethnic minority women with physical disabilities. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURE: Health Conditions Checklist interference score. RESULTS: Aggregated data over a 1-year period showed that nearly the entire sample reported interference from pain (94.5%) and fatigue (93.7%) and that at least three quarters of the sample reported problems with spasticity (85.4%), weakness (81.8%), sleep problems (80.2%), vision impairment (77.9%), and circulatory problems (77.9%). Obesity was substantially more prevalent in this sample (47.6%) than in the general population of women (34.0%). The mean number of secondary conditions per woman +/- standard deviation was 14.6+/-6.2 (range, 1-42), with 75% of the sample endorsing 10 or more conditions. On average, women reported experiencing 5.7+/-4.03 (range, 0-20) conditions that they rated as significant or chronic. A third (33.4%) of the variance in interference scores was accounted for in the regression analysis, with significant variance accounted for by race, disability type (women with joint and connective tissue disorders and women with postpolio reported the highest overall interference scores), greater functional limitations, and lower levels of general mental health. CONCLUSIONS: Secondary conditions in women with physical disabilities are substantially more problematic than reported previously in the literature. Further research is needed to determine health disparities of women with and without disabilities. Measurement issues and the clinical relevance of these findings are discussed.

Activities of Daily Living↗

PubMedDate not supplied

Cluster analysis of insomniacs' MMPI profiles: relation of subtypes to sleep history and treatment outcome.

The Minnesota Multiphasic Personality Inventory (MMPI) profiles of 100 insomniacs who presented for treatment at a university medical center were analyzed by a hierarchical clustering procedure. This analysis revealed two major personality types that accounted for 88% of the sample. The two types referred to as "Type 1" and "Type 2" insomniacs differed significantly in regard to sleep history questionnaire responses and responsivity to treatment. MMPI scales and sleep history questionnaire items suggested that Type 1 insomniacs were less defended, more aroused/activated, and had sleep histories characterized by more childhood sleep problems and greater difficulties with sleep-disruptive cognitions than did Type 2 patients. Further, Type 1 patients had a poorer response to behavioral treatment as measured by change in sleep-onset latency than did Type 2 patients. These results suggest that the MMPI may be useful in identifying distinctive personality subgroups among insomniacs. Treatment implications are discussed, and mechanisms underlying the group differences are considered.

Behavior Therapy↗