Hot showers are known to aid sleep, although it's generally assumed that the shower happens an hour or two before bedtime. That allows the body to cool down. So

Hot showers are known to aid sleep, although it's generally assumed that the shower happens an hour or two before bedtime. That allows the body to cool down. Some evidence suggests that's it's not the total body temperature but the rate of cooling which actually helps with winding down. https://www.sleepfoundation.org/sleep-hygiene/shower-before-bed https://www.sleepfoundation.org/sleep-hygiene/shower-before-...