2nd October 2019

merckmanuals
13

What causes dizziness when getting up from bed?

Dizziness or light-headedness when standing up occurs as a result of abnormal blood pressure regulation. Normally, when people stand, gravity causes blood to pool in the veins of the legs and trunk. Low blood flow to the brain causes the dizziness and other symptoms.

In this way, what causes waking up dizzy?

If you notice you're dizzy in the morning right after you wake up, it could be just a result of the sudden change of balance as your body adjusts from a reclining position to a standing one. Dizziness can occur when the fluid in your inner ear shifts, so changing positions quickly could trigger it temporarily.

What causes dizzy spells when you wake up in the morning?

Dehydration. One of the most common causes for waking up with dizziness is actually dehydration. If you drink alcohol before bed, for example, you may be especially dehydrated when you wake up in the morning.
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