
Why Do Kids Grind Their Teeth at Night? | Sleep Foundation
· It is natural to be concerned if you notice your child grinding their teeth in their sleep. This is called sleep bruxism, and studies estimate anywhere from 6% up to almost 50% of children engage in bruxism during the night. Bruxism is believed to be more common in childhood 2 and it can start as soon as the teeth grow in.. Grinding or clenching teeth may be an involuntary response to stress ...