There are various causes for waking up dizzy.
Often, this doesnt indicate anything serious, especially if the dizziness is mild and resolves quickly.
You might be dehydrated or prone to low blood pressure.

blackCAT / Getty Images
blackCAT / Getty Images
What Is Dizziness?
Being dizzycan mean different things.
What Causes Morning Dizziness?
Anything that restricts blood or blood glucose circulation can cause temporary light-headedness.
The following discusses some of the more common and importantcausesof waking up dizzy, though other causes are possible.
Dehydration
Dehydrationcan cause morning dizziness in some people.
Dry lips and a decreased urge to pee upon waking may indicate dehydration.
When you dont drink enough fluids, a smaller volume of blood circulates throughout your body.
This lowers the circulation to your brain, which can cause dizziness in some people.
Having lower blood pressure is generally a good thing (it reduces your chances of heart disease).
However, dehydration lowers blood pressure even more.
Dehydration can worsen orthostatic hypotension.
Alcohol and Dizziness
Alcohol can affect the inner ear and brain regions important for balance.
Vertigo From Inner Ear Problems
Differentinner earproblems can also lead to symptoms of true vertigo.
Sleep Apnea
Havingsleep apneaincreases the risk of having vertigo or another kind of dizziness.
They may have low blood pressure, and they may be more prone to heart rhythm problems.
Certain medications often used to treat heart failure may also increase the risk of dizziness.
Medications
Various medications can cause dizziness.
Check with your pharmacist to learn whether the medications you take cause dizziness.
How Do You Know If Dizziness Is Serious?
If you have true vertigo, seek prompt medical attention.
Work with a healthcare provider to figure out how best to manage it.
Summary
Waking up dizzy can happen for various reasons, most of which are not medically serious.
Talk to a healthcare provider about your symptoms.
If you experience chest pain, muscle weakness, or sudden numbness alongside dizziness get immediate medical attention.
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