or doing household chores may suddenly feel much more exhausting than usual.
You might notice that you need more rest than normal or feel weak despite getting enough sleep.
Fatigue alone is common and usually has many possible explanations, including poor sleep, stress, anemia, and infections. It is not proof of a heart attack.
However, sudden or unusual fatigue accompanied by breathlessness, sweating, nausea, or discomfort in the chest, jaw, back, or arms should never be ignored.
If the change is severe, new, or unexplained, contact a healthcare professional promptly.
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