Adam Shaw

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To conclude, sleep is far more important than just how you feel when you wake up; it can – and does – have huge implications for the production of testosterone and the associated repercussions (mood, libido, morning erections and erectile dysfunction). If you’re not waking up with a boner, it’s time to get on top of your health.
Not a Diet Book: The Must-Have Fitness Book From the World's Favourite Personal Trainer
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