Timeline
A sketch of the night
Established science Adults cycle through light sleep, deep sleep, and REM. Open question Without a sensor, the bars below are population-shaped estimates, not measurements of this night.
Awake
marker
Light sleep
55% est.
Deep sleep
20% est.
REM
25% est.
Dream
marker
Wake
marker
Estimated structure if sleep was 390 minutes
Sleep onset guessDream placed in the REM estimateWake
- Wake record: The platform with one lamp · Demonstration
- Audio event: Stillness trial · 20 min · estimate, not a measured stage
- Audio event: Brown hush · 45 min · estimate, not a measured stage