"Sitting is the new smoking" sold a lot of standing desks. It's also a wild overstatement. If you're deciding whether a standing desk belongs in your home office, the useful question isn't which posture wins — it's how to stop holding any single posture for too long.
The claim, and the catch
The pitch for standing desks is that prolonged sitting is linked to poorer metabolic health and back pain. That's broadly true. The catch is that prolonged standing has its own downsides — leg and foot fatigue, lower-back load, and varicose-vein risk — and studies that swapped hours of sitting for hours of standing found surprisingly small health payoffs. The problem was never the chair. It was the stillness.
The best posture is the next one. A desk that lets you change is worth more than either extreme.
What the research actually shows
Reviews of workplace studies land on a consistent, undramatic message: alternating between sitting and standing reduces discomfort and keeps you more alert than doing either alone. The measurable wins are in comfort, energy and reduced back pain over a workday — not the dramatic calorie-burning or life-extension the early marketing promised. Standing burns only marginally more energy than sitting; you will not lose weight at your desk.
So a sit-stand desk is genuinely useful — not because standing is magic, but because it makes movement the default instead of something you have to remember.
How long to stand
Start conservatively and build up. A widely cited target is a sit-to-stand ratio somewhere between 1:1 and 2:1 — roughly 5 to 15 minutes of standing for every 30 to 60 minutes seated. If you're new to it, begin with a few short standing spells a day and add time as your legs adapt. Standing for three hours on day one just trades a sore back for sore feet.
You don't need an electric sit-stand desk to test this. A sturdy desktop riser — or even a stack of boxes for a week — tells you whether you'll actually use the standing mode before you spend on the furniture.
Setting a sit-stand desk correctly
Standing badly is worse than sitting well, so the geometry still matters. When standing:
- Elbows at about 90°, forearms parallel to the floor, shoulders relaxed.
- Top of the monitor at or just below eye level, an arm's length away — raise it separately if the desk alone doesn't get it there.
- Weight even on both feet, knees soft, not locked. An anti-fatigue mat helps more than people expect.
- Wrists straight, not bent up over the keyboard.
These are the same targets as a seated setup — see our ergonomic home office guide for the seated numbers — just measured on your feet.
The verdict for a home office
Buy the sit-stand desk if it will get you moving — but know what you're buying. It's a movement prompt, not a health cure. Pair it with a good chair for the sitting half, set both to the right height, and take a two-minute walk every hour regardless. The healthiest desk is simply the one you don't stay frozen at.
Frequently asked questions
Is a standing desk better than sitting?
Neither is better on its own. The research points to alternating between the two: prolonged sitting and prolonged standing both cause problems, while switching between them through the day is what helps.
How long should I stand at a standing desk?
Aim for roughly a 1:1 to 2:1 sit-to-stand ratio — about 5 to 15 minutes of standing for every 30 to 60 minutes seated. Build up gradually rather than standing for hours on day one.
What height should a standing desk be?
Set the desk so your elbows are at about 90 degrees with forearms parallel to the floor while standing relaxed, and raise the monitor so the top of the screen is at or just below eye level.