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How come morning height is different from evening height ?

Answers:1   |   LastAnswerAt:2011.04  

Question
visitor
(V)єєŦяค 
Asked at 2011.04.01 03:14:14
and which one should be considered as our exact height?
thanx
answer vinc3nt  Answered at 2011.04.01 03:14:14
Overnight your spine extends slightly as your position (lying on your back) lowers the effect of gravity on your spine; thus reducing it's force to compress the vertebrae in your spine.

So in the morning as you wake up your spine should be at it's longest as it's had many hours of resting whist lying down. Over the next hours in the day the force of gravity beings to compress the vertebrae in your spine together causing your height to decrease.

I suggest to measure yourself a few hours after waking; but I am not sure which hours of the day is used to measure your true height.
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