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.
1 If you must take a nap, do not sleep for more than an hour at a time. 2  Longer naps will make you feel more tired, and may contribute to sleep problems such as insomnia. 3  If it's okay with your doctor, try some mild to moderate exercise during the day.