| Confusional arousals | Sleep terrors | Sleepwalking | Sleep-related abnormal sexual behavior | Sleep-related eating disorder | |
| Timing at night | First third of the major sleep period, less commonly in the morning during transition from sleep to wakefulness or during light NREM sleep | First third of the major sleep period | First third of the major sleep period | First third of the major sleep period | First third of the major sleep period |
| Gender distribution | Equal | Equal | Equal | Males > females | Females > males |
| Event semiology | Confusion and disorientation during an arousal from sleep; slow speech devoid of content | Screaming, agitation, intense fear, facial flushing, sweating; inconsolable, difficult to arouse | Slow and quiet ambulation, occasionally with more agitated behaviors | Abnormal sexual behaviors without awareness | Involuntary eating associated with diminished level of consciousness during an arousal from sleep |
| Event duration | 3 to 15 minutes | 3 to 15 minutes | 3 to 15 minutes | 3 to 15 minutes | 3 to 15 minutes |
| Event recall | Typically none | May have partial dream recollection after event | Typically none | Typically none | May have partial awareness during event or recall after event |
| PSG characteristics | Slow wave sleep, with rhythmic theta or delta activity | Slow wave sleep, with rhythmic theta or delta activity; prominent tachycardia, increase in EMG tone | Slow wave sleep, with rhythmic theta or delta activity | Slow wave sleep, with rhythmic theta or delta activity | Slow wave sleep, with rhythmic theta or delta activity; rhythmic masticatory muscle activity on EMG |
