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.
Physical causes of tiredness. There are lots of health complaints that can make you feel tired. Not just the well-recognised ones like anaemia and thyroid problems, but also more surprising ailments, such as diabetes, food intolerance and a sleeping disorder called sleep apnoea. Read more about the medical causes of tiredness.