Why you feel dizzy when you stand up: The surprising causes of morning wooziness and how to stop it

Sudden dizziness upon standing, often in the morning, can signal orthostatic hypotension, a blood pressure drop. This occurs ...
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Why You Get Dizzy Lying Down and What to Do

Dizziness when lying down might be caused by benign paroxysmal positional vertigo (BPPV), which is not dangerous and can be treated with simple exercises. Serious causes of dizziness include a stroke ...