Bell Lifestyle Master Herbalist Series #23 Sound Sleep relieves occasional snoring and interrupted sleep. Sound Sleep contains the best ingredients in capsule form. Bell Sound Sleep blends the sleep-inducing powers of melatonin with MSM. MSM (Methylsulfonylmethane) is an organic sulphur that is included in this formula to help you wake up refreshed without feeling groggy. It also contains soothing sedating natural herbs like chamomile and passionflower that have been prized for centuries. This calming supplement gently eases away occasional tension and stress promoting that magical tranquility that precedes a great night?s sleep!