4.16
Nightmares are distressing dreams that occur during REM sleep, often waking the individual and leaving vivid memories upon waking.
Nightmares can affect anyone but are most common in children, and their frequency generally decreases with age.
Stressful life events, such as the loss of a relative or conflicts with others, can increase the likelihood of nightmares in adults.
Conversely, night terrors occur during non-REM sleep. They are characterized by a sudden arousal from sleep, intense fear, and physiological reactions such as screaming heavy perspiration, and rapid heart rate.
Night terrors are mostly forgotten and can cause confusion if the individual awakens.
They are less common than nightmares typically occur in children aged 5 to 7 but can also manifest in adults under severe stress.
In addition, they are often linked to sleep deprivation and physiological triggers, such as a fever.
Addressing nightmares may involve managing stress, while addressing night terrors requires ensuring a safe sleep environment and, if frequent, seeking medical advice.
Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of th…
Copyright © 2026 MyJoVE Corporation. All rights reserved.