During a full night’s sleep, the deep sleep (slow-wave sleep) phase typically lasts about 70 to 90 minutes during the first few hours, though this duration diminishes as people age.

Authors

• Person: Not available Organization: American Brain Foundation
  The Effect of Insomnia on Brain Health - American Brain Foundation

Sources

• The Effect of Insomnia on Brain Health - American Brain Foundation www.americanbrainfoundation.org American Brain Foundation via serper

Referenced by nodes (2)

• deep sleep concept
• Slow Wave Sleep concept