Size Guide

Our sleepwear sizes in UK sizing and measurements



Extra Small to Small (XS-S) - 8-10

Small to Medium (S-M) - 10-12

Medium to large (M-L) - 12-14

Large to Extra Large (L-XL) - 14-16



Small to Medium (S-M)

Chest - 40-42 inches

Waist - 32-34 inches

Medium to Large (M-L)

Chest - 42-44 inches

Waist - 34-36 inches


  • Please note that our sleepwear are produced by different manufacturers and may vary slightly from these approximate sizes.
  • We can not guarantee that the sizes of all items will match this size chart.
  • When in doubt of your size it is advisable you take the next size up.
  • For bustier and taller ladies please take the next size up.
  • A number of our styles include elastic so there would be some give.
  • If still in doubt about your size please email us at info@sleepwellngcom.