Insomnia is a sleep disorder.Insufficient duration and unsatisfactory quality of sleep for a significant period of time,

Insomnia is a sleep disorder.Insufficient duration and unsatisfactory quality of sleep for a significant period of time,characterized by difficulty in falling asleep,waking up at night and the inability to sleep

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Keywords: asleep characterized difficulty disorder duration fall falling inability insomnia insufficient night period quality sleep time unsatisfactory waking

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