@misc{indiciae77ebcc423f8d,
  title = {Why we sleep.},
  author = {Jerome M Siegel},
  year = {2003},
  doi = {10.1038/scientificamerican1103-92},
  url = {https://pubmed.ncbi.nlm.nih.gov/14564818/},
  note = {Source identifier: 14564818}
}