Even doctors recommend white noise sound machines such as the Marpac Marsona 1288-A and the Marpac SleepMate 980-A for patients who are sufferers of tinnitus or have difficulty sleeping. These patients can be shift workers who have to sleep during the day, new parents contending with a crying baby, or anyone who is easily distracted by outside noise or has difficulty sleeping for any reason. Visit Sound Machines Direct.com today.