Five Sleep Types Revealed by Science | Science News

Science News Today | 2 Min News | The Daily News Now! · Jul 9, 2026 · 1m

Forget just being a night owl or early bird—new research reveals five distinct sleep patterns, each tied to unique brain activity, behaviors, and health risks. One male-skewed type links to higher substance use, while the classic early bird group shines with better brain health. But there’s a twist: a female-biased early riser group faces more depression and menstrual challenges. Scientists used machine learning to uncover these patterns, but caution that correlation doesn’t equal causation. Now, they’re diving into genetics to solve the mystery of what truly drives these sleep…