@misc{indiciaeab4922fd6d2f,
  title = {Potassium affects actigraph-identified sleep.},
  author = {M D Drennan and D F Kripke and H A Klemfuss and J D Moore},
  year = {1991},
  url = {https://pubmed.ncbi.nlm.nih.gov/1947601/},
  note = {Source identifier: 1947601}
}