@misc{indiciaeb7c1379f41ad,
  title = {Nightcap: a reliable system for determining sleep onset latency.},
  author = {Jose L Cantero and Mercedes Atienza and Robert Stickgold and J Allan Hobson},
  year = {2002},
  doi = {10.1093/sleep/25.2.238},
  url = {https://pubmed.ncbi.nlm.nih.gov/11902434/},
  note = {Source identifier: 11902434}
}