exper(ule)t

That's funny because according to other experts you should sleep with your door closed in case a fire breaks out: Keeping the door closed can help keep (or at least delay) death from smoke inhalation.

Pff, imagine living a life where you try to delay your death.
Combined with a working smoke detector outside the bedroom this will save your life. Twice in my career I've gone into a house filled with smoke and had to wake people up to inform them their house is on fire.
Keep it half open - best of both worlds
but what if I yearn for death
- Smoke inhalation that doesn't quite kill you is one of the worst things you could experience, so maybe yearn for death a different way.
- Then the Open Door Policy may be right for your cat and you in the event of a house fire.

Experts in what field? Fucking doorology?

Air quality i assume, i started leaving it open after getting a CO2 meter in my room. Having a larger volume of air to pull from, massively reduces the CO2 level in your room. My morning level went from 2500+ ppm down to ~700ppm. If you have plants it probably helps a lot too.
Idk if thats what these "experts" are talking about but thats just my experience.
- But I bet all that extra CO2 helps you be sleepy.
- This sounds a lot like an issue that can be solved by slightly opening a window
- Room plants don't even make a dent compared to the amount of CO2 a human exhales.
- cool trick the experts don't want you to know about, just open your windows.
- Keep in mind that most plants only process co2 by day but there are some exceptions, afaik Sansevieria. But depending on the volume of you bedroom I would also recommend to leave the door a bit open to keep co2 levels at bay.
- But plants need light to convert CO2. At night they actually use up oxygen. Those ungrateful pricks.
enterology, liminology, doorwayology. I'm sure there are a number of fields. We cant forget exitology

Firefighters say to keep the door closed, it significantly increases your chances of surviving a fire. And if you smell smoke, FEEL IT before you try to open it. If it's hot, go straight to the window.

Having said all that, I have a cat, and don't have room for a litterbox in my bedroom, so open it is!

It's difficult, but you can train the cat to sleep out of your room.
- Her sainted predecessor slept out of our room but often with our kids. But she's gone, the kids are independent adults in other states with their own cats, and this little cat started off too young to be left alone all night, so the pattern was set. The main difference now is she has the run of the apartment as well, and the litterbox and food are out there. I'm a pushover for a cozy feline.
- :(
You can get a cat door

You should sleep with it closed. It slows the spread of fire and smoke.

But that's how I escape

experts say you should get rid of your ceiling because that'll increase your vitamin D

Other experts say the cancer risk rises.

Huh interesting. Searched out of curiosity, and I found 1 article saying you should close it as it will lower the temp throughout the night to allow for a more peaceful sleep and also for fire safety. Then right below was a link to another article stating you should leave it open as it will lower the temp via circulation. Fun, don't think I've seen such mixed results.

Thanks to the power of AI you can have whatever answer you want these days.
- Sure but I think people disagreed long before AI became a thing
I guess it's a matter of priorities. Some experts will deal a lot with air quality in their field, so they go kinda tunnel vision on that. And others (like firefighters) will be very focused on the fire safety aspect so to them that seems most important.
Personally I usually close all doors for fire safety except for my bedroom door because the air quality improvement is just too large. I can open a window, but it usually blows open further due to the wind. Then it becomes too noisy and cold. So I tend to keep it closed when it's cold outside.
I have a bunch of servers in my room that turn it into a jungle if I leave my door closed overnight, but even without that I feel like just a person's own body heat would cause the temp to go up with the door closed. No?
- Depends on the ventilation setup, size of the room, and how well insulated the room/house is. My old house, the room would definitely get hot if we closed the door at night. But in my current house, it gets a lot colder if we do. It's just one of those things where all those variables above will likely be very different place to place, so there will never be a universal consensus that fits for everyone.
Whatever the positives are. This are my reasons to keep it closed.
Noise. It gets quite loud when my door isn't closed.
Temperature. I don't wanna heat the whole hallway.
Security. I don't feel safe when the door is open.
Mosquitoes. I don't like having those in my room.

I have a cat flap in my bedroom door for this exact reason.

I got one of these for the bedroom because I was sick of using a stuffed animal to prop the door open for the cats.

I think these things:
https://lemm.ee/pictrs/image/f0035cd2-6e96-488d-84ac-a8a46ffbd570.webp
Which allow the door to open normally it just can’t close completely.
- That's a clever option too! I do like with mine that you can still choose to pull the door fully closed without any issue, but otherwise it's locked in a fixed position so even if the cats get the zoomies the door doesn't fly open as they dive through.

Jokes on you, i actually lost the whole handle and the block with the the door lock when I was painting the door, and since this is some weird late 60's early 70's makeshift door I have no way to replace it

weird late 60's early 70's makeshift door I have no way to replace it
Oh there are def people on the Internet weird enough to want to fix it for free just cuz it's weird

Another expert said the opposite. All you experts need to get on the same page.

Maybe the ideal solution is to have it closed before going to sleep, and open before waking up?

Mom said it was my turn to repost!