Sleep terrors, bedwetting, and sleepwalking are all deep sleep disorders that occur during deep (stage 3 or 4) sleep.

Deep Sleep Disorders

A category of sleep disorders that affect the ability to achieve or maintain deep, restorative sleep stages.

Sleep Terrors

Frightening, dream-like experiences that occur during the deepest stage of NREM sleep; nightmares, in contrast, occur during REM sleep.

Sleepwalking

A sleep disorder causing people to get up and walk around or perform other complex behaviors while in a state of sleep.