Sleep debt is the cumulative effect of insufficient sleep. Each hour of sleep deficit impairs cognitive performance, mood, and physical health. The brain does not fully "forget" sleep debt — it accumulates across weeks.
⭐
Did You Know?
Matthew Walker's research shows that sleeping 6 hours per night for two weeks produces the same cognitive impairment as 24 hours of total sleep deprivation — yet most people feel "fine" after a week of 6-hour nights.
🔒
100% Безкоштовно
Без реєстрації
✓
Точно
Перевірені формули
⚡
Миттєво
Результати при введенні
📱
Мобільний
Всі пристрої