Claustrophobia

Fear of small spaces

Claustrophobia

Claustrophobia is a fear or anxiety of confined spaces. It is triggered by many situations or stimuli, including elevators, especially when crowded to capacity, windowless rooms, and hotel rooms with closed doors and sealed windows. Even bedrooms with a lock on the outside, small cars, and tight-necked clothing can induce a response in those with claustrophobia.

From Wikipedia, under CC BY-SA. More on occurri.