 Today's Here's to Your Health segment with Dr. T. Glenn Pate is brought to you by the University of Arkansas for Medical Sciences. It's normal to worry about certain things, but if those worries begin to interfere with your day-to-day life and you feel tense and worried more often than not, you may have generalized anxiety disorder. People with GAD may have trouble falling asleep or staying asleep, suffer from muscle tension, and find themselves getting tired easily.