No Injury?: If you haven't had an injury, the problem is probably your mattress and/or your pillow. Read about good sleep posture ; conditions at http://ergonomics.Ucla.Edu/component/content/article/92-back-safety/120-sleeping-posture.
Answered 5/14/2016
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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