Insomnia is defined as a complaint of difficulty falling or staying asleep that causes significant distress or impairment in daytime function, occurring despite an adequate opportunity for sleep.

Authors

• Person: Not available Organization: National Library of Medicine
  Physiology, Sleep Stages - StatPearls - NCBI Bookshelf - NIH

Sources

• Physiology, Sleep Stages - StatPearls - NCBI Bookshelf - NIH www.ncbi.nlm.nih.gov National Library of Medicine via serper

Referenced by nodes (1)

• insomnia concept