Weighted blankets have become a popular remedy to help manage anxiety and promote restful sleep. However, can they help patients with obstructive sleep apnea (OSA)? Although it isn’t a substitute for sleep apnea therapy, a weighted blanket can promote better sleep by applying gentle pressure that will feel like a hug around your whole body. While they are effective, there are some things you need to know about using a weighted blanket if you have OSA.