@misc{indiciae0dc0d7242208,
  title = {Automatic sleep/wake identification from wrist activity.},
  author = {R J Cole and D F Kripke and W Gruen and D J Mullaney and J C Gillin},
  year = {1992},
  doi = {10.1093/sleep/15.5.461},
  url = {https://pubmed.ncbi.nlm.nih.gov/1455130/},
  note = {Source identifier: 1455130}
}