Insomnia can occur at different phases of the sleep cycle. So-called initial insomnia involves difficulty falling asleep; maintenance insomnia occurs when you wake up in the middle of the night ...

OBJECTIVE: To evaluate the efficacy of sleep hygiene and melatonin treatment for initial insomnia in children with attention-deficit/hyperactivity disorder (ADHD ...

Insomnia, sleep time and daytime sleepiness ... they couldn’t see if it impacted the initial physical activity. They also ...