Sleep and Wake conditions
Preview this topic section
Each condition includes a free overview and clinical definition. Plans unlock the full Step 1 details.
Sleep and Wake conditions conditions
NarcolepsyNarcolepsy is a chronic sleep disorder marked by excessive daytime sleepiness and cataplexy due to hypocretin deficiency affecting REM sleep regulation.Sleep terror disorderSleep terror disorder causes sudden arousals with intense fear during non-REM sleep, often in children, and is distinguished by lack of dream recall.