You don't need to be diagnosed with anything; those are just the approved uses. It can be prescribed off-label for nearly anything your doctor wants. At one po

You don't need to be diagnosed with anything; those are just the approved uses. It can be prescribed off-label for nearly anything your doctor wants. At one point they pitched it to the FDA as a cure for jet lag (which it arguably is) but the FDA didn't buy "jet lag" as a legitimate medical problem.