Obstructive sleep apnea can do more than just leave you tired during the day. Discover what happens in your body when you have OSA, and why it's so important to get treatment.

Sleep is often treated as downtime, a passive break between the real business of being awake. But a new study has revealed that sleep is active, essential biology, showing how the brain uses the night ...

Baggy eyes and low energy aren't the only consequences of missing out on some good shut-eye. Reviewed by Dietitian Jessica Ball, M.S., RD Regular sleep supports physical and mental well-being, ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Baland Jalal lay in bed terrified ...

When you think of people with sleep apnea, maybe you picture loud, cartoonish snoring, or assume you’d know something was wrong because you’d wake up feeling completely wiped out every morning. But ...

Chronic obstructive pulmonary disease, commonly called COPD, is a long-term lung condition that makes breathing difficult. It ...