Feeling tired after sex the next day
What about the evolutionary reasons for post-sex sleepiness? Not in the mood tonight? Your Brain May Shut Off. There are actually several reasons why people feel tired after intimacy. Side note: prolactin also explains why men are sleepier after intercourse than after masturbation. Or, maybe you had one hell of an orgasm, and feel ready thhe go for another round — or three or four — instead. Thornton, M.