Not getting enough zzzs can make you hungrier and slow your metabolism -- a recipe for diet disaster! Put your sleep habits to the test and find out if a little more shut-eye could speed up your weight loss.

By Kerci Marcello

  1. When you wake up, you feel:
    • Exhausted
    • Refreshed
    • Drowsy
  1. Do you wake up during the night?
    • Occasionally
    • Yes, almost every night
    • No, never

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