| http://www.w3.org/ns/prov#value | - Fifty-six percent of teens bring their cellphones into their bedrooms and use them, with texting especially popular in the hour before trying to go to bed, according to the 2011 Sleep in America Poll from the National Sleep Foundation, a nonprofit group based in Washington, D.C. </p><p>Before you wag that finger, however, look in the mirror.
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