@misc{indiciae7c82c0888fdd,
  title = {The sleep factor.},
  author = {J R Pappenheimer},
  year = {1976},
  doi = {10.1038/scientificamerican0876-24},
  url = {https://pubmed.ncbi.nlm.nih.gov/940990/},
  note = {Source identifier: 940990}
}