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Many people find that soothing forms of white noise, such as rushing water or the sound of wind, help them to fall asleep at night. By masking other sounds, white noise may also prevent a sleeper from waking up before he wants to. Similarly, some parents use white noise technology to soothe infants and help them fall asleep.

White noise technology is sometimes used to decrease the painful symptoms associated with some health conditions. People who suffer from migraines sometimes use white noise to help eliminate or lessen noises that might otherwise be sources of considerable pain. Patients who suffer from tinnitus--a constant ringing sound in one or both ears--use white noise to hide their symptoms.