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Currently, there isn’t much scientific research studying the effects of sleeping nude , or reliable data on what percentage of people in the U.S. sleep naked. Some studies do provide insight into the potential benefits of sleeping naked, however.
Statista Research Department. (2020, May 13). Share of French people who sleep naked 2019, by frequency. Statista. Retrieved April 30, 2021, from
https://www.statista.com/statistics/1023344/sleeping-naked-frequency-france/

Liu, Y., Wheaton, A. G., Chapman, D. P., Cunningham, T. J., Lu, H., Croft, J. B. (2016). Prevalence of healthy sleep duration among adults — United States, 2014. Morbidity and Mortality Weekly Report (MMWR), 65(6), 137–141.
https://www.cdc.gov/mmwr/volumes/65/wr/mm6506a1.htm?s_cid=mm6506a1_w

National Center for Chronic Disease Prevention and Health Promotion, Division for Heart Disease and Stroke Prevention. (2021, January 4). How does sleep affect your heart health? Centers for Disease Control and Prevention.
https://www.cdc.gov/bloodpressure/sleep.htm

National Institute of General Medical Sciences. (2020, March 4). Circadian Rhythms. Retrieved April 30, 2021, from
https://www.nigms.nih.gov/education/fact-sheets/Pages/circadian-rhythms.aspx

Harding, E. C., Franks, N. P., & Wisden, W. (2020). Sleep and thermoregulation. Current Opinion in Physiology, 15, 7–13.
https://pubmed.ncbi.nlm.nih.gov/32617439/

Harding, E. C., Franks, N. P., & Wisden, W. (2019). The temperature dependence of sleep. Frontiers in Neuroscience, 13, 336.
https://pubmed.ncbi.nlm.nih.gov/31105512/

Okamoto-Mizuno, K., & Mizuno, K. (2012). Effects of thermal environment on sleep and circadian rhythm. Journal of Physiological Anthropology, 31(1), 14.
https://pubmed.ncbi.nlm.nih.gov/22738673/

MedlinePlus, National Library of Medicine. (2021, February 22). Yeast infections. MedlinePlus. Retrieved April 30, 2021, from
https://medlineplus.gov/yeastinfections.html

Aaron, D. (2020, February). Candidiasis (yeast infection). Merck Manual Consumer Version. Retrieved April 30, 2021, from
https://www.merckmanuals.com/home/skin-disorders/fungal-skin-infections/candidiasis-yeast-infection?query=yeast%20infection

Sundelin, T., Lekander, M., Kecklund, G., Van Someren, E. J., Olsson, A., & Axelsson, J. (2013). Cues of fatigue: effects of sleep deprivation on facial appearance. Sleep, 36(9), 1355–1360.
https://pubmed.ncbi.nlm.nih.gov/23997369/

Smith, T. J., Wilson, M. A., Karl, J. P., Orr, J., Smith, C. D., Cooper, A. D., Heaton, K. J., Young, A. J., & Montain, S. J. (2018). Impact of sleep restriction on local immune response and skin barrier restoration with and without "multinutrient" nutrition intervention. Journal of Applied Physiology, 124(1), 190–200.
https://pubmed.ncbi.nlm.nih.gov/28912361/

Jung, A., & Schuppe, H. C. (2007). Influence of genital heat stress on semen quality in humans. Andrologia, 39(6), 203–215.
https://pubmed.ncbi.nlm.nih.gov/18076419/

Mínguez-Alarcón, L., Gaskins, A. J., Chiu, Y. H., Messerlian, C., Williams, P. L., Ford, J. B., Souter, I., Hauser, R., & Chavarro, J. E. (2018). Type of underwear worn and markers of testicular function among men attending a fertility center. Human Reproduction, 33(9), 1749–1756.
https://pubmed.ncbi.nlm.nih.gov/30102388/

Jung, A., Eberl, M., & Schill, W. B. (2001). Improvement of semen quality by nocturnal scrotal cooling and moderate behavioural change to reduce genital heat stress in men with oligoasthenoteratozoospermia. Reproduction, 121(4), 595–603.
https://pubmed.ncbi.nlm.nih.gov/11277880/

Uvnäs-Moberg, K., Handlin, L., & Petersson, M. (2015). Self-soothing behaviors with particular reference to oxytocin release induced by non-noxious sensory stimulation. Frontiers in Psychology, 5, 1529.
https://pubmed.ncbi.nlm.nih.gov/25628581/

Onaka, T., & Takayanagi, Y. (2019). Role of oxytocin in the control of stress and food intake. Journal of Neuroendocrinology, 31(3), e12700.
https://pubmed.ncbi.nlm.nih.gov/30786104/

West K. (2020). I feel better naked: Communal naked activity increases body appreciation by reducing social physique anxiety. Journal of Ssex Rresearch, 1–9. Advance online publication.
https://pubmed.ncbi.nlm.nih.gov/32500740/

Chow, C. M., Shin, M., Mahar, T. J., Halaki, M., & Ireland, A. (2019). The impact of sleepwear fiber type on sleep quality under warm ambient conditions. Nature and Science of Sleep, 11, 167–178.
https://pubmed.ncbi.nlm.nih.gov/31692485/

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Some people believe that sleeping naked can improve health and wellness in a variety of ways, including helping you fall asleep faster, improving your relationship, and promoting reproductive health. In fact, 28% of French people 1 report sleeping nude often.
According to the Centers for Disease Control and Prevention, adults should sleep at least seven hours each night, yet one-third of adults 2 sleep less than that. Sleep deprivation is a major problem because of how it can negatively impact health. For example, sleep deprivation increases your risk of heart disease and diabetes 3 , among other problems.
Some people believe sleeping naked helps them fall asleep faster and stay asleep longer. However, researchers haven’t directly studied these potential benefits of sleeping nude. If sleeping naked helps you receive the recommended seven to nine hours of sleep each night, then it’s worth trying. Research suggests that sleeping naked may potentially positively impact reproductive health, connection with a partner, and self-esteem.
Our bodies are regulated by our circadian rhythm 4 , which cycles through heating and cooling patterns throughout the day. As we begin to feel tired at the end of the day, our melatonin production increases and our core body temperature decreases 5 . This decrease in body temperature continues throughout the night.
The optimal room temperature for sleep 6 ranges from around 66 to 70 degrees Fahrenheit and is key to sleeping well. Becoming too warm at night interferes with sleep. For this reason, some people believe sleeping nude can help your body achieve a cooler core temperature faster and promote better sleep. Researchers haven’t directly studied the effect sleeping nude has on sleep, however.
If you decide to try sleeping naked, make sure you have comfortable bedding. Like heat, cold can also negatively affect sleep quality. Researchers found that those who slept semi-nude were more susceptible 7 to changes in the ambient temperature unless they also had adequate bed covers that they could use throughout the night to keep them from becoming too cold.
Sleeping naked may help keep Candida yeast from flourishing in the vagina. An overgrowth of Candida causes a yeast infection 8 , which may inflame the mucous membrane of the vagina, causing pain and itching.
The risk of yeast infections is often increased by inadequate air circulation 9 , commonly due to tight or synthetic underwear. Avoiding tight or ill-fitting underwear while you sleep can contribute to overall better vaginal health.
Sleep can impact your skin’s health and appearance. When you are fatigued and not getting enough sleep, your skin is more susceptible to wrinkles, drooping, swelling, and dark circles 10 under your eyes. Delayed or reduced sleep also impacts your skin’s ability to heal wounds 11 , like cuts or blisters.
If sleeping naked helps you sleep better , then it will also improve the health of your skin. More sleep gives your skin time to regenerate and repair any wounds, helping you look and feel your best. That said, no studies have been conducted yet on how sleeping nude affects skin.
Sleeping naked may positively impact male fertility, though it hasn’t been directly studied. Research suggests that wearing tight-fitting underwear 12 increases the temperature of the scrotum, which can decrease sperm vitality and count. For this reason, wearing boxers versus tighter fitting underwear may impact the concentration of sperm 13 in men. Additionally, there is evidence that scrotal cooling directly impacts sperm health 14 and motility.
Sleeping naked can help you keep your body temperature cooler. Although research on sleeping naked is needed to draw valid conclusions, past research suggests the cooling associated with sleeping nude might increase sperm health.
Sleeping naked next to your partner may increase feelings of fulfillment and connection between couples. Partners who spend time engaging in skin-to-skin contact are more likely to feel less stressed 15 and closer to their partner. Skin-to-skin contact releases the hormone oxytocin, which is a feel-good hormone that promotes feelings of safety and love while reducing anxiety 16 .
In addition to decreasing stress, sleeping naked with a partner may help you feel good about your body. Spending time naked around others increases self-esteem 17 and a positive body image.
Here are few things to consider before you make the change to sleeping in the buff:
If you’re ready to sleep naked, here are some helpful tips to get started:
If you live with roommates or simply feel like sleeping naked isn’t for you, try opting for sleepwear that is made out of natural fibers like wool, silk, or cotton. These natural fibers — especially wool — have been shown to help you fall asleep faster 18 than synthetic materials that may be uncomfortable or trap too much heat against the body. Finding a pair of natural fiber pajamas that feel comfortable to you could be a way to reduce your nighttime body temperature without going nude.

Danielle writes in-depth articles about sleep solutions and holds a psychology degree from the University of British Columbia.

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Hey,

is it safe to sleep with my penis inside a woman's vagina? My girlfriend keeps teasing the idea, and I was a bit worried but would actually like to do it and was wondering if it is safe or if there are any possible problems that could occur when keeping it in for so long after ejaculation?

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16

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19

No, it's just hard to do. You might be able to fall asleep that way, but you won't wake up still inside.

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18

Once your erection is gone, your penis will probably slip out sooner or later...

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4

( Original post by Vindobona )
Once your erection is gone, your penis will probably slip out sooner or later...

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0

Yes it is safe but whats the point? It will only come out once you lose your errection

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10

Why would you want to do this? It'll slip out anyway unless you stay practically glued together, and that'd just be uncomfortable

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( Original post by sarahthegemini )
Why would you want to do this? It'll slip out anyway unless you stay practically glued together, and that'd just be uncomfortable

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4

( Original post by sarahthegemini )
Why would you want to do this? It'll slip out anyway unless you stay practically glued together, and that'd just be uncomfortable

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10

( Original post by economics_dismal )
you are clearly a virgin. people don't "set out" to do it. when me and my gf have sex, after i ejaculate, i sometimes stay on top of her and we both fall asleep together

and obviously the penis stays inside the vagina.

when you mature sexually, you may encounter such a scenario.

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0

( Original post by sarahthegemini )
I'm not a virgin actually although I am quite 'new' to sex. How about you stop with the patronising comments and think about what you've just said, you actually LAY ON TOP OF HER AND FALL ASLEEP?! Clearly you're not even half the size a man should be, unless your gf is a whale because there's no way that would be a comfortable scenario.

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20

( Original post by economics_dismal )
you are clearly a virgin. people don't "set out" to do it. when me and my gf have sex, after i ejaculate, i sometimes stay on top of her and we both fall asleep together

and obviously the penis stays inside the vagina.

when you mature sexually, you may encounter such a scenario.

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19

whoevers on the bottom would be very uncomfortable

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4

( Original post by sarahthegemini )
I'm not a virgin actually although I am quite 'new' to sex. How about you stop with the patronising comments and think about what you've just said, you actually LAY ON TOP OF HER AND FALL ASLEEP?! Clearly you're not even half the size a man should be, unless your gf is a whale because there's no way that would be a comfortable scenario.

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4

( Original post by MagicNMedicine )
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