DefinitionHallucinations involve sensing things while awake that appear to be real, but instead have been created by the mind.Alternative NamesSensory hallucinationsConsiderationsCommon hallucinations include:Feeling bodily sensations, such as a crawling feeling on the skin or the movement of internal organsHearing sounds, such as music, footsteps, windows or doors bangingHearing voices when no one has spoken (the most common type of hallucination). These voices may be critical, complimentary, neutral, or may command someone to do something that may cause harm to themselves or to others.Seeing patterns, lights, beings, or objects that aren't thereSmelling a foul or pleasant odorIn some cases, hallucinations may be normal. For example, hearing the voice of, or briefly seeing, a loved one wh