Bruxism in children elicits consequences such as headache, orofacial pain, and pain related to awakening.
[ncbi.nlm.nih.gov]
He had frequent jaw aches, headaches and swallowing difficulty.
[ncbi.nlm.nih.gov]
[…] psychological reactions, responsibility, move a lot during sleep, sleeps with mouth open, snores loudly, restless sleep, sleep hours, sleep with light on, noise in room, headache
[ncbi.nlm.nih.gov]