sleep science

Every night, we cross from wakefulness into sleep without remembering the exact moment it happens. Here’s what your brain is doing as you drift off.

Scientists uncover the surprising factors that influence dream recall, from sleep patterns and age to alarm clocks, mind-wandering, and even the season of the year

Learn what causes hypnic jerks, why they happen, whether they're dangerous, and simple ways to reduce these sudden nighttime muscle spasms

Why does your body sometimes wake you before your alarm rings? Learn the fascinating science behind your biological clock and sleep patterns.