Bluetooth Sleep Phones Grey. Get a healthy, full and restful night's sleep using the innovative pb travel SleepPhones. This soft, smooth, plush, and luxurious yet earth-friendly and award-winning head phones were designed by a doctor to help his patients fall asleep without using drugs. They block exterior sound, and they work with most mp3 players; cell phones; iPads, tablets, notebooks, and laptop computers; and other elect