Human sleep patterns naturally change over time, meaning sleep in one's 50s and 60s often differs from sleep in one's 20s.

Authors

• Person: Not available Organization: Harvard Health Publishing
  How much sleep do you actually need? - Harvard Health

Sources

• How much sleep do you actually need? - Harvard Health www.health.harvard.edu Harvard Health Publishing via serper

Referenced by nodes (1)

• sleep-wake patterns concept