When Do Toddlers Start Having Night Terrors? The Scary Phenomenon Comes On Earlier Than You Think

According to a presentation by Dr. Cami Matthews, MD, Associate Professor Division of Pediatric Pulmonology and Sleep Medicine at the University of Wisconsin Department of Pediatrics’ Wisconsin Sleep Center, sleep terrors or pavor nocturnus usually happen between the ages of 4 and 12, and they’re associated with “Pallor, sweating, pupil dilation, piloerection (hairs standing on end), tachycardia (rapid heart rate), and screaming.”