{
  "abstract": "Non-24-hour sleep–wake rhythm disorder (N24HSWRD) is a circadian rhythm disorder in which an individual’s endogenous period (tau period) is not entrained to the 24-hour day. 1 This causes a day-by-day forward shift in sleep–wake timing. Each cycle, lasting a few weeks, comprises periods of normal sleep (when the intrinsic sleep time occurs at night) and periods of insomnia and daytime hypersomnolence (when the endogenous sleep time occurs during the day).",
  "authors": [
    {
      "affiliations": [
        "Neurology, University Hospital of Donostia, San Sebastián, Spain"
      ],
      "name": "Ines Albajar"
    },
    {
      "affiliations": [
        "Psychology, Hospital Clinic de Barcelona, Barcelona, Spain"
      ],
      "name": "Amadeu Obach"
    },
    {
      "affiliations": [
        "Department of Biomedical and NeuroMotor Sciences (DiBiNeM), University of Bologna, Bologna, Italy",
        "Sleep Disorders Center, Neurology Unit, Hospital Clinic de Barcelona, Barcelona, Spain"
      ],
      "name": "Angelica Montini"
    },
    {
      "affiliations": [
        "Neurology, University Hospital of Donostia, San Sebastián, Spain",
        "Sleep Disorders Center, Neurology Unit, Hospital Clinic de Barcelona, Barcelona, Spain"
      ],
      "name": "Amaia Muñoz Lopetegi"
    }
  ],
  "title": "Non-24-hour sleep–wake rhythm disorder in a sighted patient",
  "uid": "7d6a2a17-b01a-5140-8e58-f00c33637774"
}