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Sometimes after intense exercise, I will become very sleepy and require a nap. Sometimes, exercise doesn't affect my sleep at all. And sometimes, I won't be able to sleep at night.

I have a very regular sleeping pattern - in bed by 10:30-11 pm, and up at 8. I usually fall asleep within ten minutes. But on certain high intensity days, I find this doesn't happen. An hour of intense work starting at 3:30 in the afternoon could keep me awake for half the night.

Does anyone know why this happens? And especially, does anyone know a way to mitigate this problem? Some sort of cooldown routine that will keep my sleep regular?

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1 Answer 1

I had this happen to me too! But only when I first started to PR every day (after the first couple of weeks of sorting out form, and not lifting as heavy as I possibly could). Then, I found this post about Exercise Induced Insomnia.

It suggests that poor glycogen replenishment can result in insomnia (I have no science to back this up). I just started eating more and the sleep problem went away for me.

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I'll check this out the next time I feel it happening. But, I'm not on a low carb diet, so I'm not sure how much it applies to me. –  masonk Dec 9 '12 at 19:39
    
Btw, +1 for link...most promising lead I've found! –  masonk Dec 10 '12 at 2:10

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