Question: what to do when your body feels exhausted?
Answer: Rule out health problems. Fatigue is a common symptom of many illnesses, including diabetes, heart disease, arthritis, anemia, thyroid disease, and sleep apnea. ... 
Get moving. ... 
Strike a pose. ... 
Drink plenty of water. ... 
Get to bed early. ... 
Go fish. ... 
Keep time with your body clock. ... 
Shed extra weight.