"Research has shown that sex before bed can help improve sleep quality thanks to the endorphins released by sex, which serve to ease anxiety and relax you. And all of that great sleep can subsequently improve your relationship with your significant other. Sex also releases oxytocin, a hormone known as the 'love hormone,' which has numerous benefits to your body and mind, including cueing relaxation."
https://www.psychologytoday.com/us/blog/the-truth-about-exercise-addiction/201808/the-connection-between-sex-and-sleep
Sleep-promotion: One of the many health benefits of sex is what I had in mind with this one :)
