Individuals with delayed sleep phase syndrome typically have a normal total sleep time for their age, but find it difficult to initiate sleep before 2:00 a.m. to 6:00 a.m. and prefer to wake up between 10:00 a.m. and 1:00 p.m.

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 (2)

• Delayed sleep–wake phase disorder concept
• total sleep time concept