Is your internal clock keeping you awake at night? Delayed sleep phase syndrome may be to blame, and it's more common than you think. Arielle Burton was an associate content manager on CNET's ...

Circadian rhythm sleep-wake disorders are a group of conditions in which the timing of an individual’s sleep is disrupted. Circadian rhythms are often referred to as the body’s internal clock or our ...

Kristin was late to school again, as she had been so many times before. Since she didn't go to bed until 3:00 a.m., she wasn't able to get out of bed at 6:30 a.m. for school. This time she had to meet ...

If your mental health has been declining, your sleep-wake cycle may be to blame, according to a new review of literature. Taylor Leamey wrote about all things wellness for CNET, specializing in mental ...

Non-24-hour sleep-wake disorder (N24SWD) occurs when your sleep-wake cycle gradually shifts out of sync with the 24-hour day. It affects about half of blind people, but it can also affect those with ...

Problems with our sleep and internal body clock can trigger or worsen a range of psychiatric disorders, according to a new review of recent research evidence. The review, published today [19 February] ...

Problems with our sleep and internal body clock can trigger or worsen a range of psychiatric disorders, according to a new review of recent research evidence. The review, published today [19 February] ...

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 ...