The relationship between sleep disorders and testosterone in men

In the upcoming issue of Asian Journal of Andrology, (, Professor Gary Wittert, Director of the Freemasons Foundation Centre for Men’s Health, reviews the evidence demonstrating the important role that sleep has for maintaining healthy testosterone levels in men, important for energy levels, libido, mood, mental acuity and muscle mass.

The paper describes how in healthy men, plasma testosterone levels peaks during sleep but that this is dependent on at least 3 hours of undisrupted sleep. Therefore various disorders of sleep may result in a reduction in testosterone levels, but obesity also is implicated in this relationship. At the other end of the scale, high doses of exogenous testosterone and anabolic/androgenic steroid abuse are associated with abnormalities of sleep duration and architecture, which has broader health implications.

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