Actual sleep over the last 7 nights:
Your sleep debt
0 hours
Sleep debt is real but recoverable
Research (Van Dongen 2003, Pejovic 2013) shows that "catching up" on weekends partially restores cognitive function — but not metabolic markers. Chronic 1-hour-per-night debt over 14 days reduces reaction time and decision quality as much as a 0.10% blood alcohol concentration.
The fix: aim for 7-9 hours nightly. If you owe debt: prioritize the next 3 nights of full sleep over weekend catch-up. Better sleep without drugs →
Client-side · Numbers reflect typical mid-range pricing · Methodology in notes above