One in 3 American adults do not get enough sleep. Sexual issues are also common, with as many as 45 percent of women and 31 percent of men having a concern about their sex life. While these might seem like distinct concerns, they are actually highly related.
How are sleep and sex related? I’ll state the obvious: We most commonly sleep and have sex in the same location – the bedroom. Less obvious but more important is that lack of sleep and lack of sex share some common underlying causes, including stress. Especially important, lack of sleep can lead to sexual problems and a lack of sex can lead to sleep problems. Conversely, a good night’s sleep can lead to a greater interest in sex, and orgasmic sex can result in a better night’s sleep.
I am a sex educator and researcher who has published several studies on the effectiveness of self-help books in enhancing sexual functioning. I have also written two sexual self-help books, both based in research findings. My latest book, “Becoming Cliterate: Why Orgasm Equality Matters – and How to Get It,” is aimed at empowering women to reach orgasm. More pertinent to the connection between sleep and sex, my first book, “A Tired Woman’s Guide to Passionate Sex,” was written to help the countless women who say they are too exhausted to be interested in sex.
The effect of sleep on sex among women
The reason I wrote a book for women who are too tired for sex is because women are disproportionately affected by both sleep problems and by low sexual desire, and the relationship between the two is indisputable. Women are more likely than men to have sleep problems, and the most common sexual complaint that women bring to sex therapists and physicians is low desire. Strikingly, being too tired for sex is the top reason that women give for their loss of desire.
Conversely, getting a good night’s sleep can increase desire. A recent study found that the longer women slept, the more interested in sex they were the next day. Just one extra hour of sleep led to a 14 percent increase in the chances of having a sexual encounter the following day. Also, in this same study, more sleep was related to better genital arousal.
While this study was conducted with college women, those in other life stages have even more interrelated sleep and sex problems. Menopause involves a complicated interaction of biological and psychological issues that are associated with both sleep and sex problems. Importantly, a recent study found that among menopausal women, sleep problems were directly linked to sexual problems. In fact, sleep issues were the only menopausal symptom for which such a direct link was found.
Interrelated sleep and sexual issues are also prevalent among mothers. Mothers of new babies are the least likely to get a good night’s sleep, mostly because they are caring for their baby during the night. However, ongoing sleep and sexual issues for mothers are often caused by having too much to do and the associated stress. Women, who are married with school aged children and working full time, are the most likely to report insomnia. Still, part-time working moms and moms who don’t work outside the home report problems with sleep as well.