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.
Feeling sleepy and tired all the time can be a sign of fatigue. Tiredness and fatigue can manifest in a number of ways. According to eMedicineHealth, fatigue can cause weakness, dizziness, tiredness, shortness of breath and even palpitations.
If your tiredness is the result of sleep deprivation, taking a short nap in the middle of the afternoon can give your energy levels a boost. You're most likely to fall asleep is between noon and 4 p.m., which matches the low point of the body's circadian cycle.