Shelby Harris, director of the Behavioral Sleep Medicine Program at Montefiore Medical Center in Bronx, N.

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"It's like your brain is on autopilot, " explained Dr. Shelby Harris, director of behavioral sleep medicine at Montefiore Medical Center in New York.

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For those kids, there tend to be behavioral reasons for their sleep problems, such as caffeine use, TV watching before bed or other issues such as anxiety.

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They also use behavioral techniques and relaxation exercises to increase the association between bedtime and sleep.

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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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This is accomplished by using a wireless device (Fitbit) and a Withings scale (to measure your weight, track sleep, and activity) along with motivation from a registered dietician, an exercise physiologist, and behavioral coaching sessions via Skype.

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