Spending quality time between the sheets may help boost your performance in bed, according to one new study.

The research, published Wednesday in the journal Menopause, found that women aged 50 to 79 who slept fewer than 7 to 8 hours per night were less likely to report sexual satisfaction than those who got a full night’s sleep.

The relationship between sleep and sex varied with age — older sleep-deprived women in the study were less likely to be sexually active than younger sleep-deprived women.

And sleep isn’t the only lifestyle factor to influence sex.

Negative body image and physical inactivity can take a toll on sexual satisfaction, according to a 2008 study published in the Electronic Journal of Human Sexuality that looked at American college students.

The Menopause study only looked at middle-age and elderly women, so more research is needed to determine how sleep affects sex for all ages and genders.

Until then, rest up.

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