Unrefreshing sleep after eight hours in bed is often caused by restless sleep, which can be a symptom of insomnia, health issues like acid reflux, or underlying sleep disorders that cause brief, unnoticed awakenings.

Authors

• Person: Not available Organization: Sleep Foundation
  How Much Sleep Do You Need? - Sleep Foundation

Sources

• How Much Sleep Do You Need? - Sleep Foundation www.sleepfoundation.org Sleep Foundation via serper

Referenced by nodes (2)

• insomnia concept
• acid reflux concept