An international research team led by Université de Montréal medical professor Shady Rahayel has made a major breakthrough in ...

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 ...

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 ...

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

Sleep disorders are highly prevalent among individuals with multiple sclerosis (MS), affecting nearly half of the patient population, according to study results presented at the European Committee for ...

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