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It is common for children to sometimes have nightmares sometimes and most children will grow out of them.

Nightmares are most common between the ages of three and six, and tend to happen later in the night during what's called rapid eye movement or REM sleep.

What is a nightmare?

A nightmare is a bad dream that usually involves some imagined danger or threat to the child. The child may dream about danger or a scary situation. Nightmares may involve disturbing themes, images, or figures such as monsters, ghosts, animals, or bad people. Loss of control and fear of injury are common themes. Children do not usually cry out or move around while they are having a nightmare. When the child wakes up, he or she calms down and remembers what the dream was about.

Nightmares are different from night terrors. Children with night terrors experience episodes of extreme panic. They are confused and often cry out and move around. During a night terror, waking the child is difficult, and the child usually does not remember anything about the night terror.

What causes nightmares?

Exactly how or why nightmares occur is not known. However, being too tired, not getting enough sleep, having an irregular routine for sleep, and having stress or anxiety may all increase the risk of having nightmares. Nightmares can be related to the child’s stage of development. Most nightmares are a normal part of coping with changes in our lives. For children, nightmares could be related to events such as starting school, moving to a new neighbourhood, or living through a divorce or remarriage.

Some genetic and psychological factors can also lead to nightmares. About 7% of children who have nightmares have a family history of nightmares - their brother or sister or parents had nightmares. Nightmares are more common in some children, including those with developmental disability, depression, and certain diseases that affect the brain. Nightmares may also be associated with fevers. Some medicines can cause frightening dreams, either during treatment or after the treatment has stopped. Stress and conflicts that happen during the day can affect a child’s sleep and lead to nightmares. Nightmares can also occur after a trauma. These nightmares may indicate post-traumatic stress disorder.

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WebMD Medical Reference

Medically Reviewed by Dr Rob Hicks on December 20, 2017

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