Filling a hot water bottle is a simple but effective way to relieve pain, tension, and stress. It can also be used to warm up a cold bed on a winter night.
Hot water bottles have been used for centuries to treat a variety of ailments. In the 19th century, they were commonly used to treat menstrual cramps and back pain. Today, they are still used for these purposes, as well as to relieve stress, tension, and headaches.