By Mayo Clinic Staff. An X-ray is a quick, painless test that produces images of the structures inside your body â particularly your bones. X-ray beams pass through your body, and they are absorbed in different amounts depending on the density of the material they pass through.
Physical Causes. The most obvious reason for being tired and sleepy is lack of sleep. According to MayoClinic.com, the average adult needs between seven and eight hours of sleep every day. If you're sleeping less than that, adjusting your sleeping schedule might provide some relief.
Depression and chronic fatigue syndrome are two conditions that can make someone feel extremely tired, even after a good nightâs rest. Itâs possible to have both conditions at the same time. Itâs also easy to mistake feelings of fatigue for depression and vice-versa.