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votes

Are there harmful side-effects of a couple sleeping with the penis in the vagina?

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  • 3
    I doubt either of you would be able to pull that through. Neither would be allowed to move, and it will get really uncomfortable for both. – Narusan Sep 12 '17 at 12:08
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    Side-effects? What exactly would be the intended effect? – Lucky Sep 12 '17 at 18:45
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    Clearly this is a couple who like to fall asleep without moving after they are finished. And someone has told one of them that it's bad for them in some way, so they are coming here to see if it's true or not. – Kate Gregory Sep 13 '17 at 16:51
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    While potentially a bit odd, this seems like a reasonable question that has a well defined answer and I don't see why it should get down votes or votes to close. – StrongBad Sep 13 '17 at 18:22
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    Perfectly legit question but I think a solid answer is going to be hard to come by since I doubt there have been formal studies. In the meantime, you're not the first to ask and this discussion has answers from a physician. ehealthforum.com/health/… – Carey Gregory Sep 14 '17 at 2:36
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votes

Sleeping with your penis inside your partners vagina is unlikely to lead to harmful side-effects. Unless performed without safety, or in a chronic manner.

Urine is discharged while sleeping (as mentioned above) is a possible and if it occurs .

The Anti-diuretic hormone decreases urine production at night. When the brain does not make enough ADH or when the kidney stops responding to it, more urine is produced. Nocturia affects 60% of the human adult population and, nocturnal polyuria is present in up to 80% of patients with nocturia. Nocturnal polyuria can be caused by low nocturnal ADH levels.

In females, the urethra is ~3-4 cm long, and its opening lies anterior to the vaginal opening. Its only function is to conduct urine from the bladder to the body exterior.

In males, the urethra is part of both the urinary and reproductive systems.

Thus, the only concern of urinary discharge would be from male to female. A condom would prevent this. Another aspect to consider is different pH of genitalia between genders.

The Vagina has a acidic pH.
The Penis has a basic pH.

If one is going to take part in this activity (otherwise known as swaddling), safety would increase if the the male wears a condom for protection vaginas acidic pH and to protect the female from exposure to urine.

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