So how do you know if your sleep is good sleep? According to the National Heart, Lung and Blood Institute, about 50 to 70 million Americans have sleep disorders, and 1 in 3 adults do not get regularly get the recommended amount of uninterrupted sleep they need. Dr. Andrew Stiehm joins Susan-Elizabeth Littlefield on WCCO Sunday Morning at 7 a.m. to talk about good sleep.