The French call it la petite mort, while we know ‘the little death’ more plainly as the moment of deep sleep-inducing relaxation experienced straight after orgasm.
Sex has a well-earned reputation for triggering the onset of sleep. As a physical act most often performed at night when in bed, it’s perhaps no surprise that the exertion of making love leaves us inclined to having a nap.
What may be more interesting is the effect sex has on men’s brains. Following orgasm, a man will experience a serene sensation due to the release of the hormones oxytocin and prolactin, making them prone to drifting off into la petite mort.