Why do guys get tired after they come?
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A man’s body chemistry changes after orgasm,” says David McKenzie, a sex therapist in Vancouver. “The biochemical prolactin is released, physically altering his body and making him very tired.”
In contrast, women may not orgasm every time they have sex. So, after rocking your lover’s world, you may still be semi-aroused and have the energy to talk about love and life while he’s drifting off to dreamland.
https://www.besthealthmag.ca/best-you/relationships/why-men-fall-asleep-after-sex/ -
Additional info:
This is pretty common. During arousal, people’s hearts begin to beat faster and their blood pressure rises. After a certain amount of stimulation, people may experience orgasm — the peak of sexual arousal when all the muscles that were tightened during sexual arousal relax, causing a very pleasurable feeling that may involve the whole body. During orgasm, painkilling chemicals called endorphins are released into the bloodstream, causing intense pleasure and relaxation. Some people become very sleepy after having an orgasm.SOURCE: Why do guys feel tired after ejaculation ?
