Sleep Debt कैलकुलेटर - How Much Sleep Are You Missing?
Sleep debt is the cumulative gap between sleep needed and sleep gotten. If you need 8 hours but average 6.5 hours on weeknights, you rack up 7.5 hours of debt per week. By Friday, performance impairment equals being drunk (0.10% BAC level). You cannot pay it back all at once.
Ideal bedtimes to wake at 6:30 AM
Includes 15 min to fall asleep
1:45 AM
4h 30m (3 cycles)
12:15 AM
6h (4 cycles)
10:45 PM
7h 30m (5 cycles)
9:15 PM
9h (6 cycles)
7:45 PM
10h 30m (7 cycles)
6:15 PM
12h (8 cycles)
Sleep cycles last ~90 minutes. Waking mid-cycle causes grogginess. Most adults need 5-6 cycles (7.5-9 hours). The 15-minute buffer accounts for average time to fall asleep.
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