@misc{indiciaeacbe437ac378,
  title = {Human circadian rhythms.},
  author = {R E Kronauer and M E Jewett and C A Czeisler},
  year = {1991},
  doi = {10.1038/351193b0},
  url = {https://pubmed.ncbi.nlm.nih.gov/2041564/},
  note = {Source identifier: 2041564}
}