Tackling America's sleep problem

Competitors in the 4-H cattle show nap alongside their cows at the Minnesota State Fair in Falcon Heights, Minn., on August 26, 2011.
MPR Photo/Nikki Tundel
Go Deeper.
Create an account or log in to save stories.
Like this?
Thanks for liking this story! We have added it to a list of your favorite stories.