What Causes Dizziness When Standing Up From the Ground?

Friday, May 08, 2026

SAEDNEWS: Have you ever wondered why you suddenly feel dizzy when getting up from your desk or out of bed?

What Causes Dizziness When Standing Up From the Ground?

According to Saednews, It happens to almost everyone at some point: when getting up from a chair or out of bed, you suddenly feel dizzy and need to hold onto something to avoid falling. In some cases, you may even see dark spots in front of your eyes and have to steady yourself until the dizziness passes. This usually lasts only a few seconds. Experts have given this uncomfortable sensation a name: orthostatic hypotension, or a temporary drop in blood pressure when standing up.

If you experience this, you should know that it is very common. Experts confirm that most people experience it regularly, and in most cases, it is completely natural and harmless.

Dr. M. I. Ekram, a member of the Epidemiology Association at the Erasmus University Medical Center in Rotterdam, explains:
“These symptoms occur because there is a temporary reduction in the amount of blood—and therefore oxygen—flowing to the brain.”

To better understand this, the body and blood circulation can be compared to a half-filled water bottle. When the bottle lies on its side, the water spreads evenly. But when you lift it upright, the water shifts downward. A similar process happens in the body when you stand up after sitting or lying down for a long time.

Dr. Ekram explains further:
“Gravity pulls a large portion of the blood toward the lower body and legs, which forces the heart and blood vessels to work harder to pump blood to the brain.”

Dr. Philip Lowe, a neurology professor at the Mayo Clinic in Rochester, has conducted extensive research on this condition and its treatment. He explains:
“The heart is a pump, and when you suddenly stand up, the amount of blood returning to the heart decreases.”

This leads to a temporary drop in blood pressure. It takes a short time for the body’s corrective mechanisms to respond and restore normal circulation, after which everything returns to normal.