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.
Here are reasons we may not feel hungry in the morning: 1  Corticotrophin-releasing hormone (CRH) levels can dull the appetite when it enters the bloodstream at a fast rate first thing in the morning.  Decreased liver function can accompany adrenal fatigue, which also can quell morning hunger.