Do you get 8 hours of sleep? Matthew Walker says we should and tells us why. He was recently interviewed on NPR – click here for the link. Or perhaps you have insomnia or a medical problem which keeps you up. There are specialists in sleep disorders at local hospitals – a few of whom specialize in cognitive behavioral therapy for insomnia. The most common disorder is sleep apnea – something you should be tested for if you have hypertension, diabetes, daytime sleepiness or a history of strokes. Heavy snoring is the clue to a sleep breathing disorder which can make all of these conditions worse.