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.
The main reason why you get sleepy after lunch is because food that you eat for lunch diverts your blood away from your brain to help with the digestion process. Your body also releases a bit of melatonin after lunch, which is a hormone that helps you fall asleep at night.Ad.. Exercise after eating your lunch. After eating, it is a good idea to get out and do some light exercise. Take a walk for a few blocks, do some basic stretches, use the stairs instead of the elevator, or do a few jumping jacks in the restroom â whatever you can think of that fits with your schedule and location.