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A member asked:
Why when i sleep more than 8 hour i wake up with a headace?
A doctor has provided 1 answer
Several theories: Many ideas which means we probably don't know. But it is a fairly common complaint. Some theories include an imbalance of serotonin, sleep apnea causing low oxygen levels, dehydration, and build up of sinus pressure.
Answered 12/29/2012
5.4k views
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