What we now call i-dosing are sounds previously known as binaural beats that have been used for research and sleep therapy.

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They can then prescribe physical and occupational therapy, as well as treatment for sleep problems, depression and cognitive impairment.

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If you don't have apnea, some docs recommend cognitive behavioral therapy: You work with a trained therapist to change how you think about sleep and learn sleep-inducing techniques (like how to set up your sleep space and what to do before bedtime).

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