Why do doctors recommend elevating your legs?

Because it's good for circulation. Circulation, that blood's got to be flowing. I got my feet above my heart here. Here comes the circulation heading this way.

Plus, it reduces swelling in your feet and ankles, takes pressure off your back and spine.
Zero gravity elevation, where you elevate your feet. It's a great way to rest, recover, rejuvenate, and it's a great way to help you feel better in the morning.