HOW TO BUY:

1 Join or sign in to your account at www.mymail.co.uk 2 Enter any one Unique Number from the back page of the Mail between today and December 22 3 Click ‘ Redeem’ by Tuesday, December 26 — no need to spend any Nectar points 4 A link with details of how to order your mattress will be emailed to you within 24 hours. terMsand

Conditions:£ 10 p&p payable outside of mainland UK. Orders must be submitted by Monday, December 18, 2017, to guarantee delivery in time for Christmas. Offer subject to availability. Full terms are at mailshop.co.uk.