Rhythmic movement disorders encompass repetitive, stereotyped gross-motor actions that occur at sleep onset or during sleep and may interfere with restorative rest or cause injury. Typically emerging ...

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 ...

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 ...

Every cell in the body has a circadian rhythm. This rhythm follows a near 24-hour cycle that is synchronized to day and night. These circadian rhythms are critical for health and well-being. Sleep and ...

Australia's largest university and a leading Boston hospital are advancing sleep and circadian medicine to develop innovative ...

Infants' activity whilst sleeping is rhythmic, according to a new study from the University of Surrey. Findings provide ...

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 ...

Before I was diagnosed with bipolar disorder, I didn’t think twice about sleep. I’d always been a night owl, but I went to bed reasonably early. And I never had trouble falling asleep or getting eight ...

Sleep hygiene isn’t a quick fix. Experts share simple, science-backed habits that can help you fall asleep faster and wake up ...

Every cell in the body has a circadian rhythm. This rhythm follows a near 24-hour cycle that is synchronised to day and night. These circadian rhythms are critical for health and wellbeing. Sleep and ...