Night terrors tend to happen in a sleep stage known as deep sleep, rather than when in REM, which is when nightmares happen.

Night terrors are a sleep condition that involves thrashing, screaming, or panicking in your sleep. Nightmares differ from night terrors, as they happen in separate stages of the sleep cycle.

Night terrors mostly commonly occur in children ages 3 to 7-years-old, and about 30% of children will experience night terrors—which means if your child is growing through this experience, they ...