Are you productive from the minute you get to work to the minute you leave? Yeah, uh, me too.

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A new survey found the average person is only productive for a total of three days a week. When it's hot outside, that drops down to two-and-a-half days.

So what's killing our productivity? Here are the top 10 answers:

  1. Getting a bad night of sleep.
  2. Being too hot in the office.
  3. Your coworkers distracting you or talking to you.
  4. Computer problems.
  5. A noisy office.
  6. Boredom.
  7. Being distracted by personal issues.
  8. Feeling hungry.
  9. Being too cold in the office.
  10. Being hungover.

Read more at Metro.