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.
Do you feel overly tired during the day? Is your sore throat in the morning accompanied by a headache? Sleep apnea causes people to wake up numerous times throughout the night; one sign that you may be afflicted is if you are sleepy in the morning and throughout your day.