We often read about, or may know someone—often a high school or college student—who stays up way too late and then has a very hard time getting up in the morning. When bedtimes and wake times both get ...

Sleep disorders can affect people of any age. Delayed sleep-wake phase disorder, restless legs syndrome, and insomnia are a few examples of disorders that may disrupt sleep cycles in teens. Sleep-wake ...

In adolescents and young adults, delayed sleep-wake phase disorder (DSWPD) may be associated with attention-deficit/hyperactivity disorder (ADHD) and restless legs ...

Identifying the mutations that underly unusual sleep traits can provide insights into the biology of sleep and circadian function in humans. In the 1990s, a woman approached sleep neurologist ...

Circadian rhythms are endogenous, near-24-hour cycles that coordinate physiological and behavioural processes, most notably the sleep–wake cycle, hormone secretion and core body temperature. Central ...