For example, you may notice: It's also possible to experience hallucinations as you're trying to fall asleep, known as ...

The hallucinations experienced during sleep paralysis are either hypnagogic hallucinations, which occur when a person is ...

Edith Tinsley, Lancashire. Dr Martin Scurr replies: What you’ve described is a common phenomenon known as a hypnagogic hallucination – these are vivid, but transient hallucinations that occur ...