Sleep Is Critical to Muscle Recovery
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Sleep Is Critical to Muscle Recovery

Sleep is necessary for muscle growth and recovery

Who knew?

It turns out that good, sound, uninterrupted sleep is critical to muscle recovery. Hmm. I would have never guessed that sleep mattered at all to muscle-building.

All kidding aside, take a look at this abstract from the US National Library of Medicine National Institutes of Health


Sleep is essential for the cellular, organic and systemic functions of an organism, with its absence being potentially harmful to health and changing feeding behavior, glucose regulation, blood pressure, cognitive processes and some hormonal axes. Among the hormonal changes, there is an increase in cortisol (humans) and corticosterone (rats) secretion, and a reduction in testosterone and Insulin-like Growth Factor 1, favoring the establishment of a highly proteolytic environment. Consequently, we hypothesized that sleep debt decreases the activity of protein synthesis pathways and increases the activity of degradation pathways, favoring the loss of muscle mass and thus hindering muscle recovery after damage induced by exercise, injuries and certain conditions associated with muscle atrophy, such as sarcopenia and cachexia.


Source: http://www.ncbi.nlm.nih.gov/pubmed/21550729

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Bill Davis has been an avid weight trainer since the age of 12. He started out as a skinny teenager and finally made his training breakthrough in his late 20s when he discovered how to pack on lean muscle in short order.

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