TY  - RPRT
TI  - Good sleep--its timing and physiological sleep characteristics.
AU  - T Akerstedt
AU  - K Hume
AU  - D Minors
AU  - J Waterhouse
PY  - 1997
DO  - 10.1111/j.1365-2869.1997.00221.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9493521/
ID  - 9493521
ER  -