@misc{indiciaea388ced34a03,
  title = {Subjective alertness rhythms in elderly people},
  author = {Monk, T. H. and Buysse, D. J. and Reynolds, C. F. 3rd and Kupfer, D. J. and Houck, P. R.},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20040173154},
  note = {Source identifier: 20040173154}
}