Internal factors such as homeostatic sleep drive and circadian rhythms, along with environmental factors like noise, influence the likelihood of falling asleep or waking up.

Authors

• Person: Not available Organization: Harvard Medical School
  Science of Sleep: How is Sleep Regulated?

Sources

• Science of Sleep: How is Sleep Regulated? sleep.hms.harvard.edu Harvard Medical School via serper

Referenced by nodes (1)

• circadian rhythms concept