@misc{indiciae620b29507bbb,
  title = {Sleepiness: evaluating and quantifying methods.},
  author = {G Curcio and M Casagrande and M Bertini},
  year = {2001},
  doi = {10.1016/s0167-8760(01)00138-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/11448507/},
  note = {Source identifier: 11448507}
}