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

Delayed sleep phase disorder (DSPD), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is a chronic dysregulation of a person's circadian rhythm ...

Melatonin, an endogenously produced indoleamine, plays a central role in synchronising the sleep–wake cycle in children. Its secretion by the pineal gland under dim-light conditions facilitates the ...

If you struggle to turn your brain off at night, you’re not alone. Many people with ADHD find that falling and staying asleep are really tough and feel unrested much of the time. But sleep is a key ...