Pulse Oximeter: Essential Things to Know
July 19,2021
Although nightmares are common, nightmare disorder is extremely rare. Nightmare disorder is when nightmares happen often, cause distress, disrupt sleep, cause problems with daytime functioning or create fear of going to sleep.
Symptoms
Nightmares can only be considered a disorder if you experience:
• Frequent occurrences
• Problems with concentration or memory
• Daytime sleepiness or fatigue
• Fear of the dark or sleep
Causes
Nightmare disorder is a type of sleep disorder that involves undesirable experiences that occur while you're falling asleep or during sleep.
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