Hunched over at a desk all day? Here's a quick and easy way to undo hours of bad posture.

Each night before you go to sleep, lie on your bed with your head and shoulders off the bed to increase blood flow to your organs. According to this article from Glamour.com, doing so will not only help keep your heart healthy, it's a gentle stretch for your back and shoulders -- which, let's face it, we could all use. And, as an added bonus, it helps improve your posture during the day. The best part? Two minutes is all it takes.