From a health perspective, heated water blankets can also offer therapeutic benefits. The gentle warmth can help soothe sore muscles, relieve tension, and aid in alleviating chronic pain conditions such as arthritis. Many people find that using a heated water blanket before bed helps them unwind, reducing stress and promoting relaxation. The therapeutic properties of warmth have been used for centuries in various forms, and the heated water blanket is a modern reflection of this ancient practice.