While most "night owls" can adjust their sleep patterns with treatment, some people have biological characteristics that ...

Those who take a significantly longer time to enter the dream phase of sleep, known as rapid eye movement, might be showing an early symptom of the degenerative brain disorder known as Alzheimer's.

At least 50% of children and adults with ADHD report substantial sleep problems, including delayed sleep phase syndrome and insomnia ... 2 Referral to a sleep medicine specialist is advised if a sleep ...

Melatonin is a naturally occurring hormone produced by a gland in the brain. It regulates your circadian rhythm (the body's natural 24-hour internal clock) and helps with sleep. This hormone may also ...

11, 2025 — For people with a certain sleep disorder, a simple blood test could ... while the amount of sleep they get falls slightly, ... Delayed REM Sleep Could Be an Early Sign of Alzheimer's ...

Science reveals sleep needs vary dramatically between individuals. Discover your personal sleep requirement, why it matters, ...

Participants live in the sleep laboratory on two separate occasions for 7.7 days (15.4 days total) Researchers are looking for people with delayed sleep-wake phase disorder or people with late ...

You may also struggle with insomnia, have issues getting to sleep or staying asleep, fall asleep when you don’t plan to, ...