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Why Do Men Get Erections In The Morning? | IFLScience

Since my newest Titanmen movie Morning Wood is out… I figured this was topical.

Morning glories, or nocturnal penile tumescence (NPT) as they are correctly called, are spontaneous erections that occur during sleep or while waking up. All blokes without erectile dysfunction are graced with them and they normally occur around three to five timesduring sleep.

NPT actually starts in uteroor in the womb (seriously), and continues throughout life. If it’s any consolation, men aren’t completely alone—women also get clitoral erections and vaginal engorgement during sleep, and various nonhuman mammals also get NPT.

Keep Reading.

Why Do Men Get Erections In The Morning? | IFLScience.