Melatonin has caught on as an over-the-counter (OTC) sleep aid in a big way. But a sharp increase in dosage and frequency has raised some researchers' concerns.

Your smartphone may keep you up to date with your friends and the latest news, but it may also just keep you up at night, a new study found.

If a siesta is part of your everyday routine, there may be cause for concern.

Chronic sinus infections can lead to sleep problems and poor quality of life, but there may be some hope on the horizon.

If insomnia is keeping you up at night, you may want to change how you think.

Sleep may make you feel better, but its importance may also go beyond just boosting mood or banishing under-eye circles.

Some drivers may want to put on the brakes when it comes to taking sedatives.

A bad night's sleep can make you feel tired and unfocused during the day. If left untreated, that cycle may become more than just an inconvenience.

Like food, water and oxygen, sleep is something you just can’t do without — but are you getting enough?

For many teens, it's second nature to reach for the smartphone or tablet when they have a spare minute or two. Those spare minutes can add up, though, and may affect teens' sleep quality.