Want to sleep better and recover faster?


Want to sleep better and recover faster? Here’s your chance to win a Mammoth RISE mattress ammoth’s all-new RISE collection of mattresses is ideal for fitness and exercise enthusiasts. Thanks to Mammoth’s naturally cooling Medical Grade™ Foam technology to keep you at the perfect temperature all night, Posture Cell technology and zonal support, the new mattresses ensure you have a great night’s rest. Sleep’s an essential part of training, and studies show that athletes who sleep longer experience improved performance, as their muscles build and repair and their body produces more energy during rest.

Mammoth knows cost can be an issue, so the RISE collection also uses traditional base layers in the mattresses, making it really affordable – so you can make more of your days and nights for less.

Want to sleep better and recover faster? Photo Gallery


Originally designed to improve the performance and wellbeing of Olympians and elite athletes, Mammoth mattresses have been developed using scientific research, medical-grade comfort technologies and rigorous development, so you know they’re worth investing in.

WHICH ONE TO CHOOSE? The RISE collection comes in four different feels: something softer, something in between with the familiar bounce of pocket springs, something with more bounce and something a little firmer, allowing you to choose the perfect option for you.

Each RISE mattress also has three support zones, is hypoallergenic and arrives vacuum-packed and rolled in a box,

so you can have your new mattress up and running really quickly and easily.

Find an official Mammoth stockist at mammothmattress.com/stores to try one out and speak to an sleep expert, who will guide you in finding your perfect Mammoth.


For your chance to win a Mammoth RISE mattress, simply email your answer to the following question to competitions@iris-uk.com with ‘MAMMOTH’ in the subject title by January 10, 2019:

Q. Which Premier League football club uses Mammoth mattresses? Good luck!

For full competition terms & conditions, visit dennis.co.uk.

Leave a Reply

11 + = 16