The human body cycles through all sleep stages approximately 4 to 6 times each night, with each cycle averaging 90 minutes.

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)

• sleep stages concept