An Unconscious Person Can Choke and Die Lying Flat — Here’s the Fix

Here’s something most people don’t know until they need it: being unconscious doesn’t mean someone is safe. If a person is knocked out — drunk, overdosed, hit their head, whatever the reason — and they’re lying flat on their back, they’re in real danger even if they’re still breathing.

When you’re unconscious, you lose the reflexes that normally protect you. Your tongue can fall back and block your throat. If you vomit (which happens more than you’d think), you can’t turn your head or cough it out. You just inhale it. That’s called aspiration, and it can kill you fast.

The fix is called the recovery position, and the American Red Cross describes it as something anyone can do — no training required. You’re basically rolling the person onto their side so gravity works for them instead of against them. Any fluid can drain out of their mouth rather than into their lungs. The Red Cross recommends rolling them onto their left side when possible.

Here’s how to do it:

1. Kneel beside the person.
2. Place the arm closest to you out at a right angle from their body, elbow bent, palm facing up.
3. Take their far hand and hold the back of it against their cheek nearest to you — keep it there.
4. With your other hand, pull their far knee up so the foot is flat on the ground.
5. Using that bent knee as leverage, gently roll them toward you onto their side.
6. Move their chin away from their chest slightly to open the airway — you want their neck extended, not tucked in.
7. Make sure the hand is still under their cheek to keep their head in position.

That’s it. The Cleveland Clinic notes you should also keep watching their breathing the entire time. If they stop breathing, you’ll need to roll them back onto their back and start CPR.

One important exception: if you have any reason to think they injured their spine — like they fell from a height or were in a car accident — don’t move them unless they’re actively vomiting or their airway is blocked. Moving someone with a spinal injury the wrong way can cause serious damage. In that case, call 911 and let trained responders handle it.

If they do vomit and you have to move them, MedlinePlus recommends rolling their whole body at once, keeping the head and body aligned, so the neck doesn’t twist.

A peer-reviewed study published in PubMed Central outlines exactly why this position works: it reduces airway obstruction, helps drain fluid away from the lungs, takes pressure off the chest so breathing is easier, and lets you actually see if the person is breathing — all at once. It’s genuinely one of the most useful things you can know.

You might be at a party. You might be with a friend who passed out after getting hurt. You might be the only person around who knows what to do. This takes a short time to learn and about the same to do. Know it before you ever need it.

When to get help: If someone is unconscious, call 911 immediately — the recovery position buys time, it doesn’t replace emergency care. And if you’re regularly around situations where someone might get hurt (sports, parties, caregiving), consider taking a basic first aid or CPR class. The Red Cross offers them, and some are free or low-cost for teens.
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