They additionally reported how many days in the past month they engaged in penile-vaginal intercourse, noncoital sex, and masturbation.
AASM encourages patients to talk to their doctors about sleep problems or visit www.
Five hours of rest reduced levels of testosterone by between ten and 15 per cent, with the lowest levels recorded in the afternoon between2pm and 10pm.
Not getting enough sleep could lower libido.
Lower levels of testosterone in men reduces their interest in having sex, they found.
The study is particularly interesting because the scientists set out to test how a nutritional boost might speed wound healing, even in the presence of sleep deprivation.
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Increased genital excitation and sexual behavior were also observed in male cats deprived of REM sleep 19
But the evidence is overwhelming: