A 1981 study by Weitzman, Czeisler, Coleman, Spielman, Zimmerman, Dement, Richardson, and Pollak identified delayed sleep phase syndrome as a chronobiological disorder characterized by sleep-onset insomnia.

Authors

• Person: Colten HR, Altevogt BM Organization: National Academies Press
  Extent and Health Consequences of Chronic Sleep Loss and ... - NCBI

Sources

• Extent and Health Consequences of Chronic Sleep Loss and ... - NCBI www.ncbi.nlm.nih.gov Colten HR, Altevogt BM · National Academies Press via serper

Referenced by nodes (1)

• Delayed sleep–wake phase disorder concept