Sleep studies (ie, polysomnography) should be used in children who snore and exhibit symptoms of sleep-disordered breathing (SDB) to determine the presence and severity of obstructive sleep apnea (OSA).
Stacey L. Ishman. The Role of Sleep Studies in Children Who Snore. JAMA Otolaryngol Head Neck Surg. 2016;142(2):179–181. doi:10.1001/jamaoto.2015.1