@misc{indiciaec72983229dad,
  title = {Variation in process S: effects on sleep continuity and architecture.},
  author = {J B Knowles and M Coulter and S Wahnon and W Reitz and A W MacLean},
  year = {1990},
  doi = {10.1093/sleep/13.2.97},
  url = {https://pubmed.ncbi.nlm.nih.gov/2330479/},
  note = {Source identifier: 2330479}
}