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😴 Sleep Architecture Simulation

Cycle: 0
Current Stage: Awake
Time Asleep: 0:00
REM Cycles: 0
Deep Sleep %: 0%
Two-Process Model:
Sleep is regulated by homeostatic pressure (Process S) building during wakefulness and circadian rhythm (Process C). Sleep cycles through stages: Wake → N1 → N2 → N3 → N2 → REM, with REM periods lengthening and deep sleep decreasing through the night.