If you regularly have a hard time getting restful sleep, you may need a sleep study. Also called polysomnography, a sleep study is a test that's used to diagnose sleep disorders. The good news? A ...

However, it was an observational study and, as such, can only establish a link rather than cause and effect: we can’t know for sure if irregular sleep patterns caused the increased risk. Researchers ...

Experts have warned that your bedtime routine could significantly impact your heart health. Studies indicate that irregular ...