AdvertisementOne such hormone is called prolactin – and that’s often cited as a key player in falling asleep after sex, she explains. So why do men drop off so quickly after sex? While there aren’t many studies available specifically on why men tend to drop off so quickly after having sex, doctors Mark Leyner and Billy Goldberg – authors of the aptly-named book Why Do Men Fall Asleep After Sex? And “since men have more muscle mass than women, men become more tired after sex,” they said. A small study of university students found female participants were more inclined to fall after sex than male participants – with or without orgasm.

Source: Huffington Post May 12, 2023 04:26 UTC