Description When your child is not sleeping or resting well, his or her whole cycle goes out of sync. The days can be as restless as the nights! Here’s the medicine that’s trusted by thousands of families who now enjoy long, restful sleeps. Hyland’s 4 Kids Calm ’n Restful brings on the calm and it does not cause any next-morning grogginess, so your child is back in business after a good night’s rest!