Disclosed herein is a haptic feedback device that includes a circuit board, a pressure sensor in operable communication with the circuit board, and a vibrator in operable communication with the circuit board. The vibrator is configured to vibrate when the pressure sensor senses pressure above a threshold pressure. The haptic feedback device includes a battery in operable communication with the circuit board. The circuit board, the vibrator, the pressure sensor and the battery are configured to be inserted into a wearable article such that when a wearer wears the wearable article the vibrator is configured to vibrate when the wearer is lying in the supine position. Further disclosed is a wearable sleep mask having a band for receiving the haptic feedback device, and a method of use thereof.
