An electronic device comprises: a detection unit configured to detect movement of a person; and a control unit configured to, in a case where the detection unit detects a first movement of the person, control an operation unit such that the operation unit is changed from a first state to a second state and maintains the second state for a first predetermined period, wherein, in a case where the detection unit detects a second movement of the person in a predetermined detection period spanning from before an end time of the first predetermined period until after the end time, the control unit controls the operation unit such that the operation unit maintains the second state until an end of a second predetermined period changed from the first predetermined period according to an aspect of the second movement.