The alarm goes off, you sit up, swing your legs out, stand, and the room tilts. Your vision narrows to a gray tunnel, your head feels light and buzzy, and you grab the dresser. Five seconds later it passes. It happens again after a long bath, or when you jump up from the couch.

Feeling dizzy when you stand up usually happens because your blood pressure dips for a moment before your body catches up. It’s often linked to dehydration, medicines, heat, or simply getting up too fast, and a few simple habits can prevent many episodes. When it happens often, doctors call it orthostatic or postural hypotension, and it’s worth getting checked because it raises the risk of falls. Here’s why it happens, what makes it worse, and a slow-rise routine you can start tomorrow morning.

What’s happening when you stand

When you go from lying or sitting to standing, gravity pulls blood down into your legs and belly. Normally, your body reacts within seconds: blood vessels tighten and your heart beats a little faster, keeping enough blood flowing to your brain.

Mayo Clinic explains that orthostatic hypotension happens when that response is slow or doesn’t work well, so blood pressure drops for a moment. Less blood reaches your brain, and you feel lightheaded, see spots or tunnel vision, feel weak or confused, or, in some cases, faint.

What makes it more likely

Check the ones that apply to you. Each is something to mention to your doctor, and several are things you can change:

  • I often don’t drink much during the day, or I’ve been sick with vomiting, diarrhea, or fever
  • I take medicine for blood pressure, a water pill, or medicine for heart problems, depression, Parkinson’s disease, or erectile dysfunction
  • I’ve recently been in bed for a long time because of illness or surgery
  • It’s worse in hot weather, after a hot shower or bath, or after drinking alcohol
  • It’s worse right after big meals
  • I’m 65 or older
  • I have diabetes, Parkinson’s disease, or a heart condition

Mayo Clinic lists dehydration, heat, prolonged bed rest, alcohol, older age, several types of medicine, and some heart, nerve, and endocrine conditions among the causes and risk factors.

Coffee makers and glasses on a kitchen counter
Photo by note thanun on Unsplash

The slow-rise routine

Getting up in stages gives your body time to adjust. Try this every morning and whenever you get up after lying down for a while:

Step What to do How long
1 Lying in bed, flex your feet up and down and squeeze your calves 10 to 15 times
2 Sit up and stay sitting on the edge of the bed About 30 seconds to a minute
3 Keep pumping your calves and take a few deep breaths While sitting
4 Stand up slowly, with one hand on something steady
5 Stand still for a few seconds before walking Until you feel steady

Use the same idea when you get up from a chair after a long time, or step out of a hot bath.

Everyday habits that can help

  • Drink enough fluids, especially in hot weather, during illness, and before exercise. If you have heart, kidney, or liver problems, ask your doctor how much is right for you.
  • Limit alcohol, which can lower blood pressure and dehydrate you.
  • Avoid standing still for long periods. If you must, shift your weight, flex your calves, or cross your legs.
  • Eat smaller meals if you notice dizziness after big ones.
  • Ask about compression stockings. Mayo Clinic notes they can help reduce blood pooling in the legs for some people.
  • Be careful in heat, including hot showers and saunas.

Don’t increase salt or stop any medicine on your own. Both should be decided with your doctor, especially if you have high blood pressure or heart disease.

Which situation is yours

If you take blood pressure medicine

Dizziness on standing can be a sign the dose or timing needs adjusting. Tell your doctor; don’t skip doses on your own.

If you’re 65 or older

The risk of falls is the main concern. Use the slow-rise routine every time, keep a night light on the way to the bathroom, and ask your doctor to review all your medicines.

If you’re young, active, and get head rushes after workouts

Dehydration and standing up fast are the usual causes. Drink before and after exercise and cool down gradually.

If you also feel exhausted, with brain fog and symptoms that get worse upright

That combination can be part of other conditions, including chronic fatigue syndrome. Our guide on chronic fatigue versus everyday tiredness explains the signs.

When dizziness on standing needs a doctor

The National Heart, Lung, and Blood Institute notes that low blood pressure that causes symptoms should be checked. See a doctor if lightheadedness when standing happens often, lasts more than a few seconds, makes you fall, or started after a new medicine.

Get emergency care if dizziness comes with:

  • Fainting or losing consciousness
  • Chest pain or shortness of breath
  • A racing, pounding, or irregular heartbeat
  • Confusion, trouble speaking, or weakness or numbness on one side
  • Black or bloody stools, which can signal bleeding

Try this tomorrow morning

Before you even sit up, do 15 calf pumps. Sit on the edge of the bed for a full minute, then stand with a hand on the nightstand. Drink a glass of water with breakfast. Do the same for a week and note how many mornings the room tilts. If the answer is still “most of them,” take that note to your doctor.

Ringing or buzzing in the ears sometimes goes along with dizziness. Our next guide explains why your ears ring and what may help.