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What causes dizziness and sleeplessness? 5 possible conditions

See a list of possible causes in order from the most common to the least.


Caffeine Overdose

You're at risk for caffeine overdose when you ingest more than 200 to 300 mg of caffeine (about three 8-oz cups of coffee) in a day. Dizziness, diarrhea, headache, and severe thirst may occur.

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Menopause is a natural biological process in women that marks the permanent end of menstruation and fertility. Hot flashes, vaginal dryness or pain, and frequent urination are signs.

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Post Concussion Syndrome

Post-concussion syndrome, or post-concussive syndrome (PCS), refers to the lingering symptoms following a concussion or a mild traumatic brain injury. Symptoms vary but include headache, dizziness, and depression.

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Acute Mountain Sickness

Acute mountain sickness (altitude sickness or high altitude pulmonary edema) occurs in high altitudes, especially when exercising. A lack of oxygen can give the skin and lips a blue tinge.

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Whiplash occurs when a person's neck is forced backward and then forward very suddenly. Whiplash results when the soft tissues–the muscles and ligaments–of your neck are extended beyond their typical range of motion.

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This feature is for informational purposes only and should not be used to diagnose.
Please consult a healthcare professional if you have health concerns.