Hallucinate v. i. : To wander; to go astray; to err; to blunder; -- used of mental processes.

Example:
How many hours of straight up being awake does it take for a person to Hallucinate?

Taxonomy
hallucinations, perception, hallucinatory, insight, Auditory hallucinations, the brain, voices, smell, sensory perception, Hypnagogic hallucinations, Hypnagogic hallucination, focal epilepsy, free encyclopedia, conscious, delirium tremens, Types of hallucinations, migraine, Phantosmia.

Defination from the web:
Hallucinations can occur in any sensory modality — visual, auditory, olfactory, gustatory, tactile, proprioceptive, equilibrioceptive, nociceptive, and thermoceptive. ... Hallucinations can also be associated with drug or alcohol use (particularly deliriants), sleep deprivation, ...