Manage the stresses of the day to help get the restful sleep you need to function at your best.* Sleep Tonight is formulated to balance stress hormones like cortisol, and promote relaxation to support restful sleep.* With ongoing use, stress-reducing ashwagandha supports a healthy endocrine response to mind and body stress.* Sensoril is a registered trademark of Natreon, Inc., and is protected under U.S. Patent No. 7,318,938.