Provided is a dryer including: a cabinet; a drum rotatably disposed inside the cabinet; at least one roller mounted on at least one surface inside of the cabinet to support the drum; a motor configured to provide power to rotate the drum; a motor driver configured to control the motor; and at least one processor configured to determine at least one of a first rotation velocity of the motor or a first rotation time of the motor based on a non-use time of the dryer, and control the motor driver based on the determined at least one of the first rotation velocity or the first rotation time of the motor.