A temporary escape from daily reality by forming mental pictures, usually in spontaneous, brief episodes, of other experiences.

Daydreams are a form of imagination. In daydreams, the person forms a mental image of a past experience or of a situation that he or she has never actually experienced. Some psychologists use the acronym TUIT (Task-Unrelated Images and Thoughts) to describe episodes of daydreaming. A daydream may be triggered by a situation, a memory, or a sensory input (sight, taste, smell, sound, touch).

The daydreamer may use...