SLEEP SIMULATION

▸ Building an 8-hour whole-night hypnogram…
▸ Loading 5 stages: Wake · N1 · N2 · N3 · REM
▸ Calibrating ~90-min cycles (4–6 cycles)
▸ Starting the SCN body clock + melatonin
▸ Wiring brain waves delta/theta/spindle/beta…
▸ Ready — Online. ✅
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⌂ Human body

Simulation room Sleep

Sleep & Circadian Rhythm
Online
hypnogram · NREM/REM · circadian
Sleep clock
🌙 Current stage
Sleep stage
Brain wave
Melatonin
Time (simulated)
Cycle
Viewing
Note
Each night has 4–6 cycles of ~90 min (N1→N2→N3→REM). N3 (delta waves) restores the body, bunching early night; REM (dreaming + memory consolidation) lengthens toward morning.
Pick a "Scenario" (24h rhythm / sleep deprivation / light / dreams…) · click each stage or concept for details
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Brain waves scrolling over time (change by stage) wake/betathetaspindledeltaREM