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wikipedia.org
https://en.wikipedia.org/wiki/Nightmare
Nightmare - Wikipedia
A nightmare, also known as a bad dream, [1] is an unpleasant dream that can cause a strong emotional response from the mind, typically fear but also despair, anxiety, disgust or sadness. The dream may contain situations of discomfort, psychological or physical terror, or panic.
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merriam-webster.com
https://www.merriam-webster.com/dictionary/nightma…
NIGHTMARE Definition & Meaning - Merriam-Webster
It was not until the 16th century that the word nightmare came to mean "a frightening dream." This meaning probably came from the belief that such dreams were caused by evil spirits.
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sleepfoundation.org
https://www.sleepfoundation.org/nightmares
Why We Have Nightmares (And How to Prevent Them)
Knowing the differences between bad dreams, nightmares, and nightmare disorder is a first step to addressing the causes of nightmares, starting appropriate treatment, and getting better sleep.
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mayoclinic.org
https://www.mayoclinic.org/diseases-conditions/nig…
Nightmare disorder - Symptoms and causes - Mayo Clinic
A nightmare is a disturbing dream associated with negative feelings, such as anxiety or fear that awakens you. Nightmares are common in children but can happen at any age.
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clevelandclinic.org
https://health.clevelandclinic.org/what-causes-nig…
7 Reasons You’re Having Nightmares
What causes nightmares? “Most people have a random nightmare here or there, and you may be more susceptible to them after dealing with stress or watching a scary movie,” Dr. Tiani points out.
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britannica.com
https://www.britannica.com/science/nightmare
Nightmare | Definition, Causes, Prevention, & Facts | Britannica
nightmare, disturbing dream that provokes a strong negative emotional reaction. Nightmares differ from other dreams in that they typically cause the sleeper to awaken because of emotional distress. An upsetting dream that does not cause the dreamer to awaken is usually not considered a nightmare.
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webmd.com
https://www.webmd.com/sleep-disorders/nightmares-i…
Adult Nightmares: Causes and Treatments - WebMD
When you wake up terrified from a disturbing nightmare, you might think you're the only adult who has them. After all, aren't adults supposed to outgrow nightmares?
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dictionary.com
https://www.dictionary.com/browse/nightmare
NIGHTMARE Definition & Meaning | Dictionary.com
NIGHTMARE definition: a terrifying dream in which the dreamer experiences feelings of helplessness, extreme anxiety, sorrow, etc. See examples of nightmare used in a sentence.
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cambridge.org
https://dictionary.cambridge.org/dictionary/englis…
NIGHTMARE | English meaning - Cambridge Dictionary
NIGHTMARE definition: 1. a very upsetting or frightening dream: 2. an extremely unpleasant event or experience or…. Learn more.
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medicinenet.com
https://www.medicinenet.com/what_do_nightmares_mea…
Nightmares: Causes, Bad Dreams Signs, Warnings & Treatment
Talking about the nightmare during the day. Comforting and reassuring the child. Encouraging the child to go back to sleep in their bed. Avoiding bright lights in the bedroom, and using a night light, which could be used to give the child comfort. Leaving the bedroom door open, so they feel safe and close to their parents.