Deep Sleep (N3)
Stage 3 non-REM sleep duration in minutes or % of total sleep
Sleep ArchitectureCategory
105-120 minutes per nightReference
Optimal:20-25% of sleepOptimal
What is Deep Sleep (N3)?
Stage 3 non-REM sleep duration in minutes or % of total sleep
Reference Range
105-120 minutes per night, 15-25% of total sleep
Optimal Range
Optimal:20-25% of sleep
Why Deep Sleep (N3) Matters
Most restorative sleep stage. Essential for physical recovery, immune function, and growth hormone release. Declines with age.
Key insight: Tracking Deep Sleep (N3) helps optimize your sleep &recovery and overall health outcomes.
Track Your Sleep Architecture
Monitor Deep Sleep (N3) with wearables and health tracking devices
Health Disclaimer
This information is for educational purposes only. Consult a healthcare provider for personalized health recommendations.