Maeng Da CBD Gummies Sleep Disturbances Associated with Fibromyalgia: Chamomile: Chamomile is a yellow flower plant that has been used for hundreds of years for its calming results. A cup of chamomile tea before mattress promotes sleep. It also can be taken in tablet or drop shape. Melatonin: Melatonin is a hormone evidently produced by the brain that regulates sleep.