@misc{indiciae2da2dec54d78,
  title = {Sleep: a functional enigma.},
  author = {Robert Greene and Jerome Siegel},
  year = {2004},
  doi = {10.1385/nmm:5:1:059},
  url = {https://pubmed.ncbi.nlm.nih.gov/15001813/},
  note = {Source identifier: 15001813}
}