Most of us have had trouble falling asleep on occasion. But imagine a scenario where you fall asleep easily and then after a few hours you wake up and stay up. You're not rested, you know you need more sleep but it just doesn't come. Now imagine that scenario repeats itself almost every night. A prominent expert referred to that type of sleep pattern, known officially as nocturnal awakening as a "nightmare". And that nightmare affects millions of people every year and contributes to danger on the highway from drowsy driving, as well as lost productivity at work and an overall poor quality of life. But there is help available. In this program we explore the problem of nocturnal awakening and see what can be done to treat it. We speak with the experts who discuss the scientific aspects of sleep disorders and patients who share their secrets to getting a good nights sleep.