Growing up, a warm bath was my Mum's favourite remedy for, well, pretty much anything. It turns out that many sleep scientists have also been interested in the power of a warm bath, and this video explains why. The good news is that a warm shower or footbath can have pretty similar benefits, so if you don't have time for a full on soak, just take 10 minutes of the 'passive water-based heating' technique of your choice!
If you'd like to learn more, here's a link to the research paper I mentioned, which reviews 13 studies on the effects of water-based heating on sleep, Haghayegh et al (2019):
https://www.sciencedirect.com/science/article/abs/pii/S1087079218301552?via%3Dihub
