Sleep Myths & Misconceptions
Corrections to common sleep beliefs — the 8-hour rule, weekend catch-up, melatonin.
The 8-hour rule isn't really a rule
The idea that everyone needs exactly 8 hours of sleep is one of the most persistent — and damaging — sleep beliefs. The actual research tells a more flexible story.
You're probably getting more sleep than you think
Most people with insomnia consistently estimate that they slept much less than they did. There's a name for this — sleep state misperception — and understanding it can take a lot of weight off the night.
'Catching up on sleep' on weekends — what actually happens
Weekend recovery sleep doesn't undo the metabolic effects of weekday sleep loss — and it can shift your circadian rhythm in ways that make Sunday night and Monday morning worse.
Melatonin isn't a sleeping pill (it's a timing signal)
Melatonin is widely sold as a natural sleeping pill. It's actually a circadian rhythm hormone, and the evidence for it as a true sedative is weak — especially in the doses most people take.
Sleeping pills don't fix insomnia — here's why
Prescription sleeping pills work in the short term, but they don't address the underlying causes of chronic insomnia. Tolerance, dependence, and rebound insomnia are common — which is why the medical guidelines now recommend behavioral therapy first.