When you think about the keys to good health, you probably think of diet and exercise -- but what about sleep? Scientists say getting the recommended amount of sleep is the most effective way to stay healthy. Plus, research shows that a consistent lack of sleep can increase your risk of developing diseases that can lead to early death. So, in a society that often labels sleep as unproductive, how do we create better sleep? We talk about a range of sleep-related topics with our guests: Dr. Heidi