PROBLEM TO BE SOLVED: To provide a chair including an awakening apparatus capable of preventing a charge cable inserted to a charge jack from bothering the operation of an operation part.SOLUTION: A chair S with a leg includes: an awakening apparatus for awakening a seated person； a rechargeable battery 8 having a charge jack 80a and supplying power to a stimulation device and a control device； and an operation lever 10 for changing the state of the chair. The awakening apparatus awakens the seated person by having a respiration sensor to detect the physical signal of the seated person, a vibration device to apply a stimulation to the seated person, and a control device U1 to control the vibration device. The charge jack 80a of the battery 8 is arranged at a position avoiding the movable range of the operation lever 10.SELECTED DRAWING: Figure 6
