Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is ...

A sleep study, also called polysomnography, is used to diagnose sleep disorders. Find out how the test works and what treatments can help you sleep.

Irregular sleep patterns may increase the risk of adverse cardiovascular events such as heart attacks, say researchers. Sleeping and waking up at different times is associated with an increased ...

Alpha Bridge method uses a combination of eye movements and mental relaxation techniques designed to boost alpha brain wave ...

Sleep analysis is powered by the Sleep Wave — a personalized heart rate pattern that tracks nightly recovery. With dynamic visuals, users can follow their heartbeat's wave to see exactly when ...