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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
NotMyDayJob · 12/02/2025 20:49

I’ll be honest I don’t really understand what is going on here but there’s absolutely no way gods green earth id be letting my six year old share a bedroom with a grown adult that wasn’t me, DH or one of their grandparents

Swonderful · 12/02/2025 20:49

Why don't you take a tent for the garden? Then you and dh can sleep there and you'll still have a spare room.

BreezyScroller · 12/02/2025 20:50

and this thread is just about the sleeping arrangements.

Wait until we attack the food/ cooking arrangements 😂

FcukTheDay · 12/02/2025 20:50

Swonderful · 12/02/2025 20:49

Why don't you take a tent for the garden? Then you and dh can sleep there and you'll still have a spare room.

The garden is a spare!

Addeline · 12/02/2025 20:50

Maybe the op needs a chokey.

RadStag · 12/02/2025 20:51

Catza · 12/02/2025 20:39

Not her kids, just one kid. But let's not get into the mystery of what happened to the other as it requires another large glass of wine.

It's because the only other bed choices for BIL would be

  • With sister in single bed in box room.....no they can't sleep together.
  • With OP and DH in their double....nah
  • One of the twin beds with one of the children (although the two kids could share)..

So OP is weirdly going to make an unrelated make adult share a bed (or room) with a 6 year old, all because OP is insisting there's always a spare room for some reason.

nocoolnamesleft · 12/02/2025 20:51

I am so glad it isn't just me that cannot see the problem. There's no need to keep a room spare.

longtompot · 12/02/2025 20:51

BreezyScroller · 12/02/2025 20:50

and this thread is just about the sleeping arrangements.

Wait until we attack the food/ cooking arrangements 😂

😱

KangaRoo00 · 12/02/2025 20:52

This is like a weird version of Cluedo.

DP in the box room with a hammer.

SOLVED

PassOnThat · 12/02/2025 20:53

Glamiss · 12/02/2025 20:47

How about if "needing a spare bedroom" means "I must be able to separate my children".

Hence if SIL takes the spare room, then when separating the children one of them must go into the only spare "bed space" ie in bed with SIL's partner?!

I mean it's bonkers, obvs. If my children need to be separated then if it's daytime one can go in our room, and if not someone will end up on a sofa or something.

I would have thought that the sensible way to "separate" your children in this scenario would be for one to come in with one parent (in the OP's room) and one parent to go in with the other child (in the children's room).

On what planet would a 6 year old child bunking in alone with an unrelated adult male even be considered as an option 🙄?

Completely doolally.

Srophia34 · 12/02/2025 20:53

XjustagirlX · 12/02/2025 20:15

In the OPs new scenario the kids are split up therefore one of them sleeping with her sisters partners.

to me this confirms the fact that all along the OP had planned to split her kids up with one of her kids taking the spare room.

also interestingly the OP said ‘DH and I aren’t going to split up for the sake of their random issue’. This implies they were considering OP with one kid and her partner with another kid. Confirming that the OP thinks her kids shouldn’t be in the same room.

Edited

Bravo to this nail on the head.

RadStag · 12/02/2025 20:53

nocoolnamesleft · 12/02/2025 20:51

I am so glad it isn't just me that cannot see the problem. There's no need to keep a room spare.

oP seems to think so, which is where all the confusion has come from.

She never once mentioned the "need", but it explains everything.

PassOnThat · 12/02/2025 20:54

KangaRoo00 · 12/02/2025 20:52

This is like a weird version of Cluedo.

DP in the box room with a hammer.

SOLVED

And then in the morning there will probably be one less person to worry about anyway 😂. The corpse can go in the freezer.

HansHolbein · 12/02/2025 20:54

But there’s a spare fucking room!

FOJN · 12/02/2025 20:54

MrsToddsShortcut · 12/02/2025 20:46

If person A transports 200lbs of carrots 500 miles at 35mph, and person B transports DP 359 miles at 50 mph, what is the square root of The Spare Room?

Oh that's easy 15.72 jelly beans.

RadStag · 12/02/2025 20:54

Srophia34 · 12/02/2025 20:53

Bravo to this nail on the head.

No they're not split up.

OP is suggesting that an adult, and two children share a twin room. Eg 3 people for two single beds. Therefore one adult and one child would be sharing. (But it would make more sense for the kids to share one single bed in that scenario)

RadStag · 12/02/2025 20:55

SuperTrooper14 · 12/02/2025 20:48

Seriously? She wants to turf the DP out of the double bedroom now that her sister is sleeping in the box room to keep it spare, "just in case" someone needs to use it? That's bloody ridiculous.

Yes. Yes she does.

Flakeisanakedtwirl · 12/02/2025 20:55

SuperTrooper14 · 12/02/2025 20:48

Seriously? She wants to turf the DP out of the double bedroom now that her sister is sleeping in the box room to keep it spare, "just in case" someone needs to use it? That's bloody ridiculous.

Yeah at least the OP gets her answer, we all think she's SO mad noone can believe this is serious.

Poor sister

Glamiss · 12/02/2025 20:56

FcukTheDay · 12/02/2025 20:48

The square root is BIL shares with a child rather than parents. Did I pass?

Good so far, but don't forget to take the arctangent.

k1233 · 12/02/2025 20:56

jd206 · 12/02/2025 19:34

I get what you’re saying, but the issue is that my sibling has decided they must have the spare room to themselves, which means their DP is the one left without a bed. The only other option is for DP to share with one of my DCs, which obviously isn’t ideal!

If sibling had flagged this earlier, we could have worked out a better arrangement, but changing it last minute just puts everyone in an awkward position. I don’t see why my DC should have to accommodate their sudden preference not to share with their own DP!

You are not making sense.

The room plan was
You and DH
DCs
Sibling and partner
Spare

Sibling wants
You and DH
DCs
Sibling and partner
Spare Sibling

How on earth does that end up with your DC having to share with siblings partner?

Nanny0gg · 12/02/2025 20:57

k1233 · 12/02/2025 20:56

You are not making sense.

The room plan was
You and DH
DCs
Sibling and partner
Spare

Sibling wants
You and DH
DCs
Sibling and partner
Spare Sibling

How on earth does that end up with your DC having to share with siblings partner?

The other bed has mysteriously vanished?

This is the daftest thread ever

BreezyScroller · 12/02/2025 20:57

PassOnThat · 12/02/2025 20:54

And then in the morning there will probably be one less person to worry about anyway 😂. The corpse can go in the freezer.

don't you start.

The freezer MUST have a spare (frozen) loaf of bread, bottle of milk...
AT ALL TIME. No extra space for corpse.

Alucard55 · 12/02/2025 20:57

Why can't the BIL sleep alone in the box room?

Cosycover · 12/02/2025 20:58

Nah you're at it. Nobody is this thick in real life.

Tvp123 · 12/02/2025 20:58

You are making no sense. Why does a child suddenly have to share with someone else? Just use the EMPTY bloody box room or get your sibling to sleep on a sofa. You sound like a nightmare.

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