Long list: Many reasons, and the best place to start would be to discuss with a practitioner. This could be related to poor sleep, problems with your heart, lungs or endocrine systems and many more things. Please see a competent practitioner to review what the next step should be for you.
Answered 11/23/2013
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5 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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