Hidden Brain - Do You Have Trouble Sleeping?

Millions of us move through our days without getting enough sleep. We know that sleep deprivation can affect our physical health and our mood. But sleep researcher Chris Barnes says a chronic lack of good sleep can also affect how we make decisions and even what we value. He joins us to explore the forces that keep us from getting the rest we need, and offers practical strategies for getting better sleep. Later, psychologist Rachel Zoffness returns to answer your questions about the experience of pain, in our latest installment of "Your Questions Answered."