Meditation has been studied for its effects on improving pain8 associated with fibromyalgia, back pain, migraine, rheumatoid arthritis, irritable bowel syndrome, osteoarthritis, and other disorders. Since pain often disrupts sleep, relieving pain may improve sleep. Sleeping well can further relieve pain, which could then lead to even better sleep over time.
https://ipsnews.net/business/2021/11/25/sleep-guard-plus-reviews-this-rare-herb-fixes-insomnia/