It's relatively common for people to experience hallucinations just as they're falling asleep (hypnagogic), or as they start to wake up (hypnopompic).
The hallucination may take the form of sounds, or the person may see things that don't exist, such as moving objects, or a formed image, such as a person (the person may think they've seen a ghost).
Hypnagogic and hypnopompic hallucinations are particularly common in people with narcolepsy . However, they can also occur in people without narcolepsy or any disorder. They're essentially like dreams, and in themselves are nothing to worry about.
Read about hallucinations, including the possible causes and practical advice about what to do if you experience them.
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Illegal drugs and alcohol People can experience hallucinations when they're high on illegal drugs such as amphetamines, cocaine, LSD or ecstasy. They can also occur during withdrawal from alcohol or
It's relatively common for people to experience hallucinations just as they're falling asleep (hypnagogic), or as they start to wake up (hypnopompic). The hallucination may take the form of sounds, o
Hallucinations can sometimes occur in children who are ill with a fever. Call your GP if your child is unwell with a body temperature of over 37.5C (99.5F) and you think they're hallucinating. In the