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Sounding Tired

Trying To Hide A Lack Of Sleep? Your Voice May Give You Away

ABC News | LARA SALAHI AND MARK ABDELMALEK, M.D. | Posted 11.17.2011 | Healthy Living

By Lara Salahi and Mark Abdelmalek, M.D. ABC News You might think a cup of coffee or a quick walk before heading to your job will cover up your e...