@misc{indiciaed2c9a71115ca,
  title = {Adjusting heart rate during sleep using activity variance.},
  author = {G A Bornzin and E R Arambula and J Florio and P A Levine and G Hauck},
  year = {1994},
  doi = {10.1111/j.1540-8159.1994.tb03776.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7845794/},
  note = {Source identifier: 7845794}
}