Can You Sound Tired? Science Says Yes

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

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 exhaustion from long working hours and little sleep.

That is, until your co-worker outs you by saying, "You sound tired."

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