How to Use the Sleep Debt & Recovery Catch-Up Planner
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1
Enter your ideal nightly sleep need (typically 7.5 to 8.5 hours).
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2
Enter the actual hours slept each night for the past 7 days.
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3
The calculator computes your total cumulative sleep debt (e.g. 6.5 hours of sleep debt).
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4
Review the gradual recovery plan recommending 30–60 extra minutes of sleep per night to restore cognitive alertness without disrupting circadian rhythm.
Practical Example & Use Case
Common Real-World Scenario
Accumulating 5 hours of sleep debt over a busy work week and planning an extra 45 minutes of sleep over the next 6 days to recover safely.
Technical Notes & Limitations
Browser Engine Architecture
Extreme sleep debt cannot be completely repaid in a single weekend without disrupting circadian melatonin release.
Frequently Asked Questions
Can you catch up on sleep on the weekend?
Sleeping an extra 1–2 hours on weekends helps restore alertness, but sleeping 4+ hours extra can cause "social jetlag" on Monday morning.