57 Scopus citations


Circadian rhythm sleep disorders may occur after traumatic brain injury. We describe a 48-year-old man who presented with sleep onset insomnia and cognitive dysfunction after a car accident. A diagnosis of delayed sleep phase syndrome (DSPS) was confirmed by sleep logs and actigraphy, which revealed sleep onset in the early morning hours and awakening around noon.

Original languageEnglish (US)
Pages (from-to)250-252
Number of pages3
Issue number1
StatePublished - Jan 11 2000


  • Delayed sleep phase syndrome
  • Sleep disorders

ASJC Scopus subject areas

  • Neuroscience(all)

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