Skip to main content
Sign up or log in
Clothing
Shoes
Accessories
Bags
Jewellery
Brands
Shopfronts
Guides
The Lyst Index
  1. Home
  2. Theory
  3. Theory Clothing
  4. Theory Nightwear and sleepwear
Theory-logo

Theory Nightwear and sleepwear for Women

Founded by New York City designer Andrew Rosen in 1997, Theory is a premium ready-to-wear label that epitomises sharp East Coast dressing for the modern generation of city dwellers. Now headed up by former Nina Ricci designer Olivier Theyskens, this on-point clothing brand delivers effortlessly stylish wardrobe essentials that will take wearers from boardroom to bar with ease. Finished in beautifully soft fabrics, Theory nightwear consists of seriously comfortable pyjama sets that are sure to enhance your experience between the sheets.

We've found 2 products
from 2 of our partner stores

Sale
ClothingNightwear and sleepwearPyjamas
BlueRed
Sort by: Newest
2 results
Theory 2Pc Silk Pyjama Set - Red
Was £185
£185
Now £75
£75
Theory2Pc Silk Pyjama Set - Red
From Rue La La
Sale
Theory 2Pc Silk Pyjama Set - Blue
Was £185
£185
Now £75
£75
Theory2Pc Silk Pyjama Set - Blue
From Rue La La
Sale
About :
Founded by New York City designer Andrew Rosen in 1997, Theory is a premium ready-to-wear label that epitomises sharp East Coast dressing for the modern generation of city dwellers. Now headed up by former Nina Ricci designer Olivier Theyskens, this on-point clothing brand delivers effortlessly stylish wardrobe essentials that will take wearers from boardroom to bar with ease. Finished in beautifully soft fabrics, Theory nightwear consists of seriously comfortable pyjama sets that are sure to enhance your experience between the sheets.

Related searches

  1. Women's Long Sleeve Cotton Pajamas
    Women's White Cotton Nightgowns
    Women's Three Piece Pajama Sets
    Women's Silk Robes
    Women's Satin Robes
    Women's Plaid Pajamas
    Women's Paisley Robes
    Women's Nightshirts
    Women's Long Sleeve Cotton Nightdress
    Women's Feather Robes
    Women's Cuffed Pyjama Bottoms
    Women's Cashmere Robes
    Women's Capri Pajamas
    Women's Bride Squad Pajamas
    Women's Bath Robes

Learn about the Lyst app for iPhone, iPad and Android.

© 2026 Lyst

  • Theory Nightwear and sleepwear - US

  • Help centre
  • About us
  • Shipping policy
  • Returns policy
  • Payments
  • Refund policy
  • Developers
  • Careers
  • Contact
  • Terms & conditions
  • Privacy & cookie policy
  • Intellectual property
  • Product ranking information
  • Buying from Individuals
  • Categories
  • Become a partner
  • Lyst Index
  • Lyst News
  • Cookie Settings
  • Do not sell or share my personal information
  • Modern slavery statement
  • s172 statement
  • Responsible sourcing policy
  • Code of conduct
  • Lyst survey prize draw terms & conditions