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Late night metabolic second wind

Human Anatomy, Physiology, and Medicine. Anything human!

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Late night metabolic second wind

Postby dae » Mon May 20, 2013 6:10 pm

A question I've never gotten a fully satisfying answer to: what mechanisms are kicking in to give me a 'second wind' late at night?
Basically I go through my day (usually up around 7, in lab by 9) and am fairly exhausted by 8 or 9pm every night. But by 11pm/12am, my energy picks up again and I can easily work, exercise, whatever, until 3 or 4 in the morning before I start feeling tired again. Any thoughts on what causes the second wind?
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