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  1. 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. …

  2. Nightmare disorder - Symptoms and causes - Mayo Clinic

    Jun 5, 2021 · 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.

  3. Why We Have Nightmares (And How to Prevent Them)

    May 2, 2024 · Knowing the differences between bad dreams, nightmares, and nightmare disorder is a first step to addressing the causes of nightmares, starting appropriate treatment, and …

  4. Nightmares - Psychology Today

    Apr 26, 2022 · A nightmare, if one occurs at all, usually takes place in the later hours of REM, or rapid eye movement, sleep. A dreamer often awakens with a solid general recollection of the …

  5. 7 Reasons You’re Having Nightmares

    May 22, 2024 · 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,” …

  6. Adult Nightmares: Causes and Treatments - WebMD

    May 1, 2025 · 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?

  7. Nightmare Disorder: What Causes It and How Do You Manage It?

    Jun 20, 2024 · Having persistent nightmares that cause distress may be a sign of nightmare disorder. Here's all you need to know.

  8. Nightmare Disorder: What It Is, Symptoms & Treatment

    Nightmare disorder is a pattern of repeated frightening and vivid dreams that affects your quality of life. It ranges from mild to severe and can be short-term or chronic.

  9. Nightmares: Causes, Bad Dreams Signs, Warnings & Treatment

    Jul 31, 2023 · 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, …

  10. Nightmare | Definition, Causes, Prevention, & Facts | Britannica

    Jul 5, 2025 · nightmare, disturbing dream that provokes a strong negative emotional reaction. Nightmares differ from other dreams in that they typically cause the sleeper to awaken …

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