A relaxation device (10) is provided with a body support member (13) for supporting the body of a user, a rocking drive unit (12) for rocking the body support member (13) back and forth with an arc-shaped movement trajectory, and a controller (24) for controlling the rocking drive unit (12) to rock the body support member (13) in a relaxed manner. The controller (24) controls the rocking drive unit (12) such that the rocking of the body support member (13) is stopped for only a predetermined time when the rocking direction of the body support member (13) changes. A first predetermined time when the rocking direction of the body support member (13) changes from the forward direction to the backward direction is different from a second predetermined time when the rocking direction of the body support member (13) changes from the backward direction to the forward direction.
