12 Signs You May Have an Anxiety Disorder

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Sleep problems

Trouble falling asleep or staying asleep is associated with a wide range of health conditions, both physical and psychological. And, of course, it's not unusual to toss and turn with anticipation on the night before a big speech or job interview.

But if you chronically find yourself lying awake, worried or agitated—about specific problems (like money), or nothing in particular—it might be a sign of an anxiety disorder. By some estimates, fully half of all people with GAD experience sleep problems.

Another tip-off that anxiety might be involved? You wake up feeling wired, your mind is racing, and you're unable to calm yourself down.

Next: Irrational fears