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insomnia
(redirected from Delayed sleep phase)

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insomnia

Difficulty in falling asleep and sustaining sleep. Insomnia may be caused by mental or physical factors, with anxiety being the commonest cause. It results in the sufferer feeling perpetually tired. See also sleep disorder.



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? Mentioned in ? References in periodicals archive
 
In teens, there's something called delayed sleep phase, explains Dr.
This condition, known as delayed sleep phase syndrome (
Kass, reasons for lack of sleep in children can include problems such as Obstructive Sleep Apnea, Restless Legs Syndrome, Delayed Sleep Phase Syndrome and narcolepsy.
 
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