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Adult Sleepover Party Invitations: Dress Code and Etiquette
An adult sleepover is easy to host. The invitation is the hard part: dress code, start time, food and who's staying over. Here's how to write it.
Send The Joy · October 5, 2026 · 3 min read

It's 9pm on a Friday. Six people have said yes, two have asked what to wear, and one is in a supermarket aisle sending photos of a duvet cover. The host is typing into the group chat for the fourth time: pyjamas, right? Nobody has mentioned food yet.
An adult sleepover invitation can settle most of this on one screen: what to wear, what time to arrive, what to bring, and whether people are staying over. Get those four lines right and the messages stop.
Adult sleepover party invitations: dress code before the menu
The pyjama question creates more messages than anything else, so answer it inside the invitation instead of in the chat. 'Pyjamas and slippers' means a sofa night with pizza. 'Silk pyjamas and a proper glass' means people make an effort. Both work. Being vague is what causes the back and forth.
- Name the code exactly: 'pyjamas and slippers' for a sofa night, 'silk pyjamas and a cocktail' for something sharper.
- Give one colour or a short range — navy, dusty pink, black — so the group photos don't look like a jumble of prints.
- Add a fallback for anyone who doesn't own pyjamas: a tracksuit, a nightshirt or house clothes are all fine. Nobody should buy something for one evening.
- If there's a garden, a pool or a morning walk in the plan, say what's needed: a robe, socks, trainers.
The start time decides the food
An 8pm sleepover and an 11am brunch are two different evenings wearing the same pyjamas. Say which one yours is, and say it in the invitation, so nobody eats dinner at home and then watches the pizza arrive.
If it's a bring-something night, hand out jobs with names attached. 'You: ice. You: something sweet. You: the good crisps.' Left vague, the table ends up with five bags of crisps and nothing to drink.

Write the dress code, the time and what to bring in the invitation, and the group chat can go back to sending photos of dogs.
Etiquette: answer the awkward questions before they're asked
Three questions come back every time, and rarely in time: can I bring someone, is there alcohol, and are these photos going online. Put the answers in the invitation. Say whether partners are welcome, whether it's a bar, a bring-your-own-bottle night or a dry one, and whether you'll post pictures. Ambiguity is what makes people uncomfortable, not the rule itself.
For the reply form, ask only what you'll use: coming, what they're bringing, staying over. A ten-field form stays half empty. And put a deadline in the invitation — confirm by Thursday — so you stop chasing answers one by one.
One link instead of a group chat
Times and addresses move. Someone's flat falls through, the film runs long, the start shifts to 8:30. With a link, you edit the invitation once and everyone sees the same version — no re-sending, no screenshot from three days ago that half the group is still working from.
If someone always loses their phone, print the QR code and stick it on the fridge.
With those details sorted, the invitation stops being a notice and becomes the first part of the night. If you want the time, the dress code and the replies living in one link you can change after you send it, Send The Joy has the collection ready. Try a design for free and edit the cover before you decide, and your guests just open the link, with nothing to install.
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