Sleep

New research identifies five distinct sleep subtypes, revealing links between brain patterns, behavior and health

Getting as little as 90 minutes less sleep than usual may lead to gaining weight and becoming more sedentary, a new study finds

Stable rhythms of rest and activity are associated with healthier biological age markers, a new study suggests

Nearly a third of all U.S. adults are sleeping fewer than the recommended seven hours per night on average

A growing field of research suggests that some medical treatments, such as cancer therapy or vaccines, might be more effective when given at certain times of the day

“Cryosleep” remains the preserve of science fiction, but researchers are getting closer to restoring brain function after deep freezing

As clocks spring forward, light and movement are cues for daytime wakefulness that can improve sleep and overall health

A study of more than 320,000 people found that night owls are more likely to engage in behaviors that increase the risk of cardiovascular disease such as smoking and sleeping poorly

New research suggests that getting even just a few more minutes of sleep and exercise and eating an extra cup of vegetables every day can significantly boost longevity

Consciousness researchers studying “islands of awareness” have found that disconnected brains likely sink into a strange form of deep sleep

Why flu cases are spiking, how AI predicts disease from your sleep, and what surprising biomechanics lie behind woodpeckers’ powerful pecks.

Sea anemones and jellyfish don’t have brains, but the way their neurons behave during sleep shows some surprising similarities to humans