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

    May 2, 2024 · Nightmares can affect anyone, and when frequent, can harm sleep and daily life. Learn about nightmares, their causes, & how to reduce them.

  2. Nightmare - Wikipedia

    Nightmares can have physical causes such as sleeping in an uncomfortable position or having a fever, or psychological causes such as stress or anxiety. Eating before going to sleep, which …

  3. Adult Nightmares: Causes and Treatments - WebMD

    May 1, 2025 · Nightmares are vividly realistic, disturbing dreams that rattle you awake from a deep sleep. They often set your heart pounding from fear. Nightmares tend to occur most …

  4. 7 Reasons You’re Having Nightmares

    May 22, 2024 · Stress, scary movies and sleep deprivation can cause nightmares, as can alcohol, sleep apnea and PTSD. NIghtmares can also be a side effect of some medications.

  5. Nightmare disorder - Symptoms and causes - Mayo Clinic

    Jun 5, 2021 · Although nightmares are common, nightmare disorder is relatively rare. Nightmare disorder is when nightmares happen often, cause distress, disrupt sleep, cause problems with …

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

    Nightmares are vividly realistic, disturbing dreams that can disturb sleep that can create fear, palpitations, and rapid breathing. Learn the causes and treatments of nightmares.

  7. Nightmares - Psychology Today

    Apr 26, 2022 · Nightmares, on the other hand, can lead to emotionally disturbing feelings of fear, anxiety, or even terror. They can make a person experience sweating, an accelerated heart …