This tiny portable digital player is the perfect tool for getting a good night's sleep. No downloading necessary, this device contains 3 hours of soothing music combined with Delta brainwave frequencies developed by sound healing pioneer Dr. Jeffrey Thompson. Perfect for travel or home, this simple player comes with a single replaceable AAA battery and a set of convenient ear bud headphones. The audio technology contained on the Little Sleep Machine has been clinically proven to help listeners fall asleep, stay asleep, and wake up rejuvenated. The perfect portable sleep device for the 75 million Americans who have difficulty sleeping. In the deepest state of sleep your brainwave patterns change to slow frequency ?delta? waves. Dr. Jeffrey Thompson has developed unique ways to embed these delta pulses into carefully crafted musical soundtracks. After a few minutes of listening your own brainwaves naturally ?lock' onto the delta pulses and lead you easily into deep, restful sleep.Program 1) Peaceful Music for SleepMeditative melodies, flutes, piano, guitar, and strings, embedded with Delta Wave Pulses irresistibly lull you to sleep.Program 2) Natural Music for SleepFloating melodies, ocean surf, and gentle forest sounds, embedded with Delta Wave Pulses transport you into thoroughly rejuvenating sleep.Program 3) Ocean WavesSoothing ocean waves embedded with Alpha Brainwave Pulses surround you with irresistible peace and tranquility.Dr. Jeffrey Thompson's clinical research with thousands of patients has led to groundbreaking discoveries in how sound frequency patterns built into musical soundtracks can alter states of consciousness and induce mind-body healing. His audio programs are used by Fortune 500 companies, health care professionals, and individuals worldwide.