REM sleep is characterized by dreaming, nightmares, penile or clitoral tumescence, irregular muscle movements, rapid eye movements, loss of motor tone, increased brain oxygen use, increased and variable pulse and blood pressure, and increased levels of acetylcholine (ACh).

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 (4)

• dreaming concept
• nightmares concept
• REM sleep concept
• acetylcholine concept