Like sleepwalking or sleeptalking, sexsomnia is a disorder — but one in which people engage in sexual activity Getty Some people sleepwalk. Others talk in their sleep. And then there’s another sleep ...

Sleep apnea can have significant effects on both – lungs and heart. If you suspect you or a loved one has the sleep disorder, ...

Mayo Clinic researchers report that chronic insomnia in older adults leads to a 40% higher dementia risk and accelerated ...

Past age 50, men are much more likely to have REM sleep behavior disorder than women. Jose Luis Pelaez/Stone via Getty Images Every night, you go through four to five sleep cycles. Each cycle, lasting ...

Just because you can’t sleep doesn’t mean you have insomnia. You might have another sleep disorder, or none at all ...

Advanced sleep phase disorder is a rare condition that causes your natural circadian rhythm, or sleep-wake cycle, to occur earlier than typical. As humans, our sleep-wake cycle— also known as our ...

After getting suspension from ABC, Jimmy Kimmel returns back to his late-night stage with dash of seriousness and laughter.