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Sleepy connected Americans
Date:3/6/2011

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About two-thirds of baby boomers (67%) and generation X'ers (63%) and half of generation Z'ers (50%) and generation Y'ers (49%) watch television every night or almost every night within the hour before going to sleep.

"Artificial light exposure between dusk and the time we go to bed at night suppresses release of the sleep-promoting hormone melatonin, enhances alertness and shifts circadian rhythms to a later hourmaking it more difficult to fall asleep," says Charles Czeisler, PhD, MD, Harvard Medical School and Brigham and Women's Hospital. "This study reveals that light-emitting screens are in heavy use within the pivotal hour before sleep. Invasion of such alerting technologies into the bedroom may contribute to the high proportion of respondents who reported that they routinely get less sleep than they need."

Computer or laptop use is also common. Roughly six in ten (61%) say they use their laptops or computers at least a few nights a week within the hour before bed. More than half of generation Z'ers (55%) and slightly less of generation Y'ers (47%) say they surf the Internet every night or almost every night within the hour before sleep.

"My research compares how technologies that are 'passively received' such as TVs and music versus those with 'interactive' properties like video games, cell phones and the Internet may affect the brain differently," says Michael Gradisar, PhD, Flinders University (Australia). "The hypothesis is that the latter devices are more alerting and disrupt the sleep-onset process. If you feel that these activities are alerting or causing you anxiety, try doing something more 'passive' to help you wind down before bed."

Generation Z'ers (36%) and generation Y'ers (28%) are about twice as likely as generation X'ers (15%) and baby boomers (12%) to say they play a video game within the hour before bedtime at least a few times a week. More than one in ten (14%) of generation Z'ers say
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Contact: Jennifer Cowher Williams
jwilliams@sleepfoundation.org
202-347-3471 x211
National Sleep Foundation
Source:Eurekalert

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