Mattress Voucher & Discount Codes

Saving money on a new mattress is simple with CosySleep. Below you'll find all the latest mattress discounts, promo codes, & coupons currently available.

Simply click the links to reveal the codes and apply them to your order when you checkout. You are free to share these codes with friends and family.

Check back regularly because we are continually working on updating this page with the latest discounts, some of which will be exclusive to CosySleep.

These discounts aren't just limited to mattresses but also feature discount codes for other sleep-related products including pillows, sheets and bedding.

Company

Discount

Code

eve-sleep

20% off when you spend £450 at Eve

emma-logo

26% off any Emma Original Mattress

nectar

£100 off + 2 free pillows with every Nectar mattress

leesa

25% off Everything at Leesa

simba

Two free Hybrid pillows with every Simba Hybrid mattress

tweak

£140 off any mattress at Tweak

casper

15% off everything at Casper

sleeping-duck

£50 off when you subscribe to the Sleeping Duck newsletter

hyde&sleep

Free deliv​​​​ery with any mattress at Hyde & Sleep