Insomnia is defined as chronic when it occurs at least three nights per week for a duration of three months or more.

Authors

• Person: Lawrence Epstein Organization: Harvard Health Publishing
  How sleep deprivation can harm your health - Harvard Health

Sources

• How sleep deprivation can harm your health - Harvard Health www.health.harvard.edu Lawrence Epstein · Harvard Health Publishing via serper

Referenced by nodes (1)

• insomnia concept