Q

How does sleep affect testosterone levels?

From 5 years of verified research · Vassili Sandqvist
A

Sleep plays a vital role in testosterone secretion, with approximately 70% of daily testosterone produced during REM and slow-wave sleep. A study published in JAMA found that restricting sleep to just 5 hours per night can lead to a significant 10-15% drop in testosterone levels, mimicking the effects of aging.

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