You spend up to one-third of your life doing it, but what's really going on when you shut your eyes?
TODAY will look at that question and more next week when take on the topic of sleep in a week-long series, "Snooze or Lose." From the serious consequences of sleep deprivation, to the results of our exclusive new survey, we'll reveal some surprising details.
Plus we want to hear from you: Do you sleep with your phone under your pillow? Do you contort yourself around your pooch? Experts say the environment you sleep in matters. Send us a picture of your room right before bedtime using #SnoozeOrLose. We may use your photo on air or online.