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.
The Scientist: Michael J. Breus, Ph.D., a clinical psychologist and Fellow of the American Academy of Sleep Medicine. The Answer: If you got more sleep than youâre used to last night, then youâre probably tired because you got more sleep than youâre used to last night. Your body loves consistency. It prefers when you go to bed and wake up at the same time each day.