rapid eye movement (REM) sleep

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Introduction

Skeletal atonia & rapid movement of eyes during sleep occasionally associated with dreams.

Pathology

Physiology

  • 1st onset on REM sleep generally occurs in the 2nd hour of sleep
  • REM & non-REM sleep alternate through the night with an average period of 90-110 minutes (ultradian cycle)
  • overall REM sleep accounts for 20-25% of total sleep (50% in infants)

Diagnostic procedures

More general terms

Additional terms

References

  1. Harrison's Principles of Internal Medicine, 13th ed. Isselbacher et al (eds), McGraw-Hill Inc. NY, 1994, pg 163-165
  2. Harrison's Principles of Internal Medicine, 14th ed. Fauci et al (eds), McGraw-Hill Inc. NY, 1998, pg 153-154
  3. Jump up to: 3.0 3.1 Medical Knowledge Self Assessment Program (MKSAP) 15, American College of Physicians, Philadelphia 2009
  4. Jump up to: 4.0 4.1 Pase MP, Himali JJ, Grima NA et al Sleep architecture and the risk of incident dementia in the community Neurology 2017; 89:1-7 PMID: https://www.ncbi.nlm.nih.gov/pubmed/28835407