@misc{indiciaef6e311b54918,
  title = {Sleep environment important in assessing NPT.},
  author = {I Karacan},
  year = {1988},
  doi = {10.1016/0090-4295(88)90326-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/3400144/},
  note = {Source identifier: 3400144}
}