There are many reasons people have trouble staying asleep.
It is also referred to as sleep maintenance insomnia or early morning awakening.
The most common reasons for having trouble staying asleep are:
poor sleep hygiene
medication effect
alcohol ingested within 2 hours of bedtime
nicotine used within 2 hours of bedtime
To learn more, try:
Get Better Sleep, our web site that specializes in insomnia, and offers personalized, professional
ingesting that is causing you to wake up earlier than you like