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 ...

DEAR ABBY: I am acquainted with a single mother of a 4-year-old daughter. The mother is depressed and suffers from a circadian rhythm disorder. They don’t go to bed until 4 to 6 in the morning and ...

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 ...

Woke up in a new time zone, but your brain stayed home? You’re not alone. Each year, more than 100 million people experience jet lag — a temporary sleep disorder that occurs when rapid long-distance ...

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 ...

Findings are from a prospective cohort study that included 72,242 participants (age 37-73 years) from the UK Biobank (2006-2010). Main outcomes: first occurrence of common brain disorders including ...

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 ...

A person’s symptoms may vary depending on the sleep disorder affecting them. People may have difficulty falling asleep or experience low quality, disrupted sleep. The amount of sleep someone needs ...