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Elemental is a former publication from Medium for science-backed health and wellness coverage. Currently inactive and not taking submissions.

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Nightmares Are Good for You, According to Scientists

6 min readJan 14, 2020

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Photo: Gabriele Vilkaite / EyeEm/Getty Images

WWhether you’re a restful or restless sleeper, you’ve likely had the experience of waking up at night in a cold sweat, heart pounding with fear, only to sigh with relief when you realize that person chasing you down a dark alley was just a figment of a bad dream.

Dreams disturbing enough to startle you awake are common. According to the American Society of Sleep Medicine, up to 85% of adults experience occasional nightmares, which are the American Psychiatric Association defines as powerful, unpleasant dreams that elicit feelings of threat, anxiety, fear, or other negative emotions. Nightmares, according to the definition, are also clearly recalled upon awakening, and the majority are completely harmless.

Nightmares are generally considered a normal, if slightly harrowing, aspect of sleep. But the prevalence of nightmares brings up a lofty question: Is there a reason our mind puts us through these frightening scenarios?

Dream experts believe the answer is yes, nightmares do serve a purpose. And though there’s no single, united theory as to what that purpose might be, research is increasingly showing that nightmares could help people better navigate their waking lives.

Bad dreams could actually…

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Elemental
Elemental

Published in Elemental

Elemental is a former publication from Medium for science-backed health and wellness coverage. Currently inactive and not taking submissions.