@misc{indiciaefb65544b5844,
  title = {Hypnic headaches.},
  author = {L C Newman and R B Lipton and S Solomon},
  year = {1990},
  doi = {10.1111/j.1526-4610.1990.hed3004236.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2335477/},
  note = {Source identifier: 2335477}
}