Sleep Architecture
Understanding REM sleep.
Sleep occurs in repeating 90-minute intervals. Explore each stage of the cycle to understand what happens inside your brain.
Sleep Architecture
Visualizing the 90-Minute Sleep Cycle.
Sleep occurs in repeating intervals. Hover or tap each node on the hypnogram curve to see what happens inside the brain.
Swipe to explore
AWAKE
Falling Asleep & Awakening (Stage 0)
The transition state between wakefulness and sleep. The body is in a relaxed rest state, brain waves begin to transition from fast beta waves to slower alpha waves. The typical person takes about 14 minutes to cross this threshold.
Stage 1
Light Drift
Stage 2
Power Nap Focus
Deep Sleep
Body Recovery
REM Sleep
Mind Recovery
Full Cycle
90 mins avg.