Every day, we take in a lot of information from people, news, signage, radio, work, and so on. While some information are useless and some information can help us to navigate through our days a little wiser and with greater ease.

Here, we’re providing you with six important and useful facts to know if you ever find yourself in these dire situations. Try to remember what you read below, because you never know when you might need it!

Don’t replace gauze — double it up

Most of us known that when a person starts bleeding, we should apply pressure. However, what you may not know is that if the person bleeds through the compress you are using, you should NOT remove it. The Harvard Medical School advises that you should instead add the second compress on top and continue to apply pressure. Do not remove the original compress until a medical professional can look at the wound.

Hypothermia makes you dead tired — literally

If you are stuck out in the freezing cold for so long that you start shaking, you may just have hypothermia. What you may not know is that it’s when you stop shaking that you REALLY have to worry. If you look over and see that your friend next to you has stopped shaking and is tired and falling asleep, that means his situation is really dire.

Hypothermia makes your body temperature drop so low that you fall asleep, and this is the last step before it leads to death. If you notice someone falling asleep out in the cold, getting them inside as soon as possible could save their life.

A “still” tornado is actually coming right at you

If you see a tornado that is still, you should not feel relieved at all. In fact, you should panic, because that means that the tornado is coming right for you!

Experts say that if you see a still tornado, you should run into the sturdiest building that you can find. If there are no buildings nearby, get as far away from any cars and trees that you can. Then, lay face-down on the ground with your arms protecting your head.

Swim parallel to the shore in a rip current

Getting caught in a rip current is extremely scary. The first thing that most people think is to try to swim against the current back towards shore, but this is a very bad idea. Trying to swim against the current will only lead to tiredness and panic will eventually set in. Instead, you should either stay still and call for help or swim parallel to the shore, as doing this will eventually lead you out of the current.

The best place in a fire is near the ground

If you find yourself trapped in a building with no easy way to get out, you should drop to the floor and make your way to the exit. Smoke from the fire will travel up, which means it will be more difficult to breath higher up. Stay low and chances for survival is greater.

It’s not Casper, it’s a killer

“If you think your house or apartment is haunted and have been seeing, hearing, or feeling a presence, get a carbon monoxide detector,” one user wrote on the social media site Reddit. “You may be hallucinating and this is potentially lethal.”

Experts agree that symptoms of carbon monoxide poisoning include hallucinations and confusion, which is why you may think you spotted a poltergeist or swear you saw something move of its own accord.