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AIBU?

Share your dilemmas and get honest opinions from other Mumsnetters.

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To think my sibling is being totally unreasonable about sleeping arrangements on this trip?

1000 replies

jd206 · 12/02/2025 18:45

Posting here for traffic because I need to know if I’m being mad or if my sibling is just being ridiculous.

We (me, DH, DCs, my sibling, and their DP) are going on a family trip soon. It’s been planned for ages, all agreed and booked. We’re staying in a big Airbnb-type place with multiple bedrooms. The plan was that DH and I would have one room, DCs in another, and my sibling and their DP in the third. There’s also a small box room with a single bed, which was just going to be a spare in case anyone needed it.

Now, sibling has suddenly decided that they don’t want to share a room with their DP because “they sleep badly together” (which is apparently news to everyone, including DP!). They’ve said they’ll be taking the box room instead, which means DP will now have to share with one of my DCs (who is 6 and not thrilled at the idea of sharing with an adult they barely know that well).

I told them that’s not fair and that they need to just suck it up and share with their DP as planned. They’re now saying I’m being unreasonable and need to be more flexible, and that the sleeping arrangements aren’t set in stone. But surely you don’t just unilaterally change things like this last minute?!

DM has now waded in and is backing sibling, saying I’m being selfish and that we should “find a compromise” (but what compromise? DH and I aren’t going to split up for the sake of their random issue).

So, AIBU to think my sibling is being totally unfair and should just stick to the original plan? Or am I missing something here?

TL;DR: Sibling suddenly refusing to share with their DP on a trip, wants to take the spare room, leaving their DP to bunk with my child. I’ve said no, now I’m the bad guy. Who’s BU here?

OP posts:
Thread gallery
9
verycloakanddaggers · 12/02/2025 19:12

Oh please come back OP and tell us more so that this all makes sense!

itsgettingweird · 12/02/2025 19:12

ModernLife1sRubbish · 12/02/2025 19:10

I really think you should keep at least 2 or 3 rooms free. What if more than one person feels ill? How about:

Room 1 - you and DP
Bathroom - sibling
Car - sibling's DP
Porch - Children
Room 2 - spare
Room 3 - spare
Room 4 - spare

Thank me later.

😂😂😂😂

ChonkyRabbit · 12/02/2025 19:12

niadainud · 12/02/2025 19:10

Don't forget that the hamster requires its own room with en suite.

That does complicated matters but the slow loris can use the bathroom next to the living room and leave the third floor bathroom entirely for the hamster.

MichaelandKirk · 12/02/2025 19:12

I suspect the OP wanted to use the spare room for their own ends. Now sibling has snaffled the room their plans are in disarray.

MonkeyHair · 12/02/2025 19:12

Not sure why you are getting such a hard time here OP

It's like everyone is acting like people don't normally book holiday accommodation with a room to be kept empty at all times in case someone gets ill?! Weird!! 🤷🏻‍♀️

Picklewicklepickle · 12/02/2025 19:12

The only way I can make sense of this is that OP is still planning to keep one room spare, meaning:

Room 1 OP and DH
Room 2 DC and Sibling DP
Room 3 Spare
Room 4 Sibling

God knows why they need a spare room on holiday at the expense of others having to share!

Hankunamatata · 12/02/2025 19:13

Handing a grip. There is a spare bedroom. Your sister can sleep in it

OswaldCobblepot · 12/02/2025 19:13

Catza · 12/02/2025 19:09

This seems to be the most plausible explanation to this madness. Still not sure how she came to the conclusion that her child has to share with BIL, though.

I know. Of all the possible sharing combinations this would surely be the least sensible option.

ThankULord · 12/02/2025 19:13

ValentineValentineV · 12/02/2025 19:12

Or they could all sleep in one room and have three spare rooms just in case anyone needs them.

😂😂😂 love it!

Relocatethecockringsbeforethemormonsarrive · 12/02/2025 19:13

jd206 · 12/02/2025 19:11

It’s not about keeping the room empty for no reason, it’s about the fact that the original plan worked for everyone, and now my sibling is unilaterally changing things to suit themselves, which has a knock-on effect on my DC. The box room was always just a spare—not a main bedroom—so there was a reason for it not being assigned.

If they’d said from the start they didn’t want to share with their DP, we could have worked something out. But deciding last minute that their DP has to bunk with my 6yo instead? That’s not fair. Why should my child’s sleeping arrangements be disrupted just because my sibling doesn’t fancy sharing a bed?

WHY DOES THE SIX YEAR OLD HAVE TO SHARE WITH HER HUSBAND??? PLEASE ANSWER

Mrsdyna · 12/02/2025 19:13

Don't let their DP share with your child!

flappingsoles · 12/02/2025 19:13

Nobody has to bunk with your child OP. You are forcing them too by not letting them use the spare room. You are unreasonable. You are a time waster posting nonsense for the sake of it. Reported.

FrannyScraps · 12/02/2025 19:13

jd206 · 12/02/2025 19:11

It’s not about keeping the room empty for no reason, it’s about the fact that the original plan worked for everyone, and now my sibling is unilaterally changing things to suit themselves, which has a knock-on effect on my DC. The box room was always just a spare—not a main bedroom—so there was a reason for it not being assigned.

If they’d said from the start they didn’t want to share with their DP, we could have worked something out. But deciding last minute that their DP has to bunk with my 6yo instead? That’s not fair. Why should my child’s sleeping arrangements be disrupted just because my sibling doesn’t fancy sharing a bed?

I don't think you understand what the word spare means?

SnoopysHoose · 12/02/2025 19:13

Fuck me Op you're being difficult for the sake of it.
The box room does not need to stay empty either your sister or her DP can have it.
You're being a fuckwit.

JimHalpertsWife · 12/02/2025 19:14

Your sisters dp is sleeping in their original room they paid for. They don't need to move out, and more importantly, they don't need to share with your dc.

Aussiegold · 12/02/2025 19:14

I don't know if she should LTB or just cancel the cheque........either way, I'm off to do some screaming at the Sistine Chapel.......

sandyhappypeople · 12/02/2025 19:14

HomeworkMonitor · 12/02/2025 19:07

I think I've realised what has happened. Accommodation bill split 50/50.

OP and DH in room 1.

OPs DCs in room 2.

Sibling and DP in room 3, and
Box room 'spare'

but OP was going to slip her 6yr old in there 'not as a permanent bedroom, just a place for 6yr old to sleep (CF tactics).

Sibling has caught wind and is asking for box room to stop OP CF from slipping her 6yr in there. Now OP irritated as she thought she was getting 3 rooms for the price of 2 ! I just bet this is the scenario

I was thinking something along these lines to be honest.. OP has obviously earmarked this bedroom for some purpose, but doesn't want to say why, probably something to do with splitting the kids up if they all act nuts or won't sleep in one room.. but maybe it would change how much of the holiday they would be paying for if they admitted they needed 3 bedrooms from the get go.

niadainud · 12/02/2025 19:14

jd206 · 12/02/2025 19:11

It’s not about keeping the room empty for no reason, it’s about the fact that the original plan worked for everyone, and now my sibling is unilaterally changing things to suit themselves, which has a knock-on effect on my DC. The box room was always just a spare—not a main bedroom—so there was a reason for it not being assigned.

If they’d said from the start they didn’t want to share with their DP, we could have worked something out. But deciding last minute that their DP has to bunk with my 6yo instead? That’s not fair. Why should my child’s sleeping arrangements be disrupted just because my sibling doesn’t fancy sharing a bed?

That is a completely circular argument: the reason for keeping the box room as a spare is that it was intended to be a spare.

Onelifeonly · 12/02/2025 19:14

This must be made up because OP can't do basic maths so that it makes sense. Also what adult would suddenly change their mind about sharing with their partner in a holiday place that has been pre booked? Even if they really couldn't keep to the plans, surely they'd sleep on the sofa/ floor in the living area to avoid inconveniencing anyone.

LipstickGhosts · 12/02/2025 19:14

Oh OK, given the update this is deliberately nonsensical then.

PandaTime · 12/02/2025 19:14

LTB

ButIToldYouSoooo · 12/02/2025 19:14

OP, if you're not planning to explain why your sister using the 'empty' room means one of your DCs now has to share with their DP, then just pull the thread FFS

MummyJ36 · 12/02/2025 19:14

I’m so confused. Is your sister not wanting to share with her partner?! I read that as your parents not your partner!

All that being said I echo that it’s crackers keeping one room spare for literally no reason!!

Londonrach1 · 12/02/2025 19:15

Box one was spare....dsis in the box room. Not an issue.

ValentineValentineV · 12/02/2025 19:15

But deciding last minute that their DP has to bunk with my 6yo instead? That’s not fair.

I just don’t understand this.

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