A wearable electronic device comprising: a first sensor; a second sensor; a communication module including circuitry; a haptic device; a memory configured to store instructions; a receiver module comprising circuitry configured to receive signals from a plurality of sensors of the wearable electronic device including the first sensor and the second sensor; at least one processor configured to execute the stored instructions to: receive , via the receiver module , a biological signal of a user from the first sensor and a movement signal of the wearable electronic device from the second sensor; detect if the wearable electronic device is being worn based on the biological signal; determine if the wearable electronic device is being moved based on the movement signal; receive, via the communication module, a notification regarding a communication event; process the notification such that the haptic device generates a vibration movement if it is determined that the wearable electronic device is being worn on a body part and that the wearable electronic device is being moved; and process the notification such that the haptic device does not generate any vibration movement if it is determined that the wearable electronic device is not being worn on the body part and that the wearable electronic device is not being moved. a first sensor; a second sensor; a communication module including circuitry; a haptic device; a memory configured to store instructions; a receiver module comprising circuitry configured to receive signals from a plurality of sensors of the wearable electronic device including the first sensor and the second sensor; at least one processor configured to execute the stored instructions to: receive , via the receiver module , a biological signal of a user from the first sensor and a movement signal of the wearable electronic device from the second sensor; detect if the wearable electronic device is being worn based on the biological signal; determine if the wearable electronic device is being moved based on the movement signal; receive, via the communication module, a notification regarding a communication event; process the notification such that the haptic device generates a vibration movement if it is determined that the wearable electronic device is being worn on a body part and that the wearable electronic device is being moved; and process the notification such that the haptic device does not generate any vibration movement if it is determined that the wearable electronic device is not being worn on the body part and that the wearable electronic device is not being moved. receive , via the receiver module , a biological signal of a user from the first sensor and a movement signal of the wearable electronic device from the second sensor; detect if the wearable electronic device is being worn based on the biological signal; determine if the wearable electronic device is being moved based on the movement signal; receive, via the communication module, a notification regarding a communication event; process the notification such that the haptic device generates a vibration movement if it is determined that the wearable electronic device is being worn on a body part and that the wearable electronic device is being moved; and process the notification such that the haptic device does not generate any vibration movement if it is determined that the wearable electronic device is not being worn on the body part and that the wearable electronic device is not being moved. <EOS>