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. …

May 2, 2024 · It’s normal to occasionally have a nightmare or bad dream, but for some people, they recur frequently, disrupting sleep and negatively impacting their waking life as well.

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.

Apr 30, 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?

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 …

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 …

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 days ago · Dreams of flying? Nightmares of teeth falling out? Falling off a cliff? As a sleep scientist at the University of Montreal, Michelle Carr has pretty much heard it all. In Michelle’s …

Nov 19, 2025 · What causes nightmares, why they happen, and how to reduce them. Learn triggers, treatments like IRT/CBT-I, and when to seek help.

NIGHTMARE definition: 1. a very upsetting or frightening dream: 2. an extremely unpleasant event or experience or…. Learn more.