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The Mattress Size Guide  

Your journey starts here. When it comes to finding the perfect mattress, you need 
to firstly know how big you can go. This quick guide will give you the lowdown 
on all the UK mattress sizes and European mattress sizes we offer, as well 
as 

useful tips for choosing the perfect size

 for your needs. 

What size is a single mattress?

 

 

 

UK dimensions: 3' x 6'3" (90 x 190cm)  

 

Ideal for: children, guest rooms and attic rooms 

What size is a small double mattress? 

 

UK dimensions: 4' x 6'3" (120 x 190cm)  

 

Offers a cosy solution if you don't have enough room for a double 

 

Ideal for: teenagers, guest rooms and attic rooms  

What size is a double mattress?

 

 

 

UK dimensions: 4'6" x 6'3" 135 x 190cm) 

 

Popular with individuals/couples moving into a new flat with limited room 

What size is a king mattress?

 

 

 

UK dimensions: 5' x 6'6" (150 x 200cm) 

 

Large enough to help reduce partner disturbance 

 

Ideal for: master bedrooms 

What size is a super king mattress?

 

 

 

UK dimensions: 6' x 6'6" (180 x 200cm) 

 

The ultimate in comfort and luxury 

 

Ideal for: master bedrooms  

What size is a cot mattress & cot bed mattress? 

 

UK cot mattress dimensions: 1'9" x 3'9" (60 x 120cm) 

 

UK cot bed mattress dimensions:

 

2'3" x 4'6" (70 x 140cm) 

Summary of Contents for Silentnight Mattress

Page 1: ...move your new mattress from its packaging leave it uncovered for a few hours to allow to air If you have a rolled up mattress you need to leave it to flatten out in a warm room for 24 hours before using it When you first start using your new bed it will probably feel a bit different to your old one so please allow time for your body to adjust to the new level of comfort and support and the mattres...

Page 2: ...ding to the areas where your body weight is more pronounced so it s actually just a sign that it s doing its job While a bit of settlement is no cause for concern there are ways you can minimise this effect Give your mattress a daily airing by leaving the covers off after you get up Turn your mattress regularly unless your mattress is no turn which will be stated on the label Rotate your mattress ...

Page 3: ...tion is to use a mattress protector as this will protect it from contact with body moisture You should also avoid using detergents or chemical cleaners as this may damage the fabric and stitching instead just use a clean damp cloth for light cleaning allowing the mattress to thoroughly dry afterwards ...

Page 4: ...being careful not to overload them They are designed to store lightweight items only and excessively heavy objects may stress or distort the frames Avoid overfilling the drawers also as this may cause them not to open properly The maximum weight for a standard drawer is 15kg for a mini drawer it is 7kg ...

Page 5: ... 6 3 120 x 190cm Offers a cosy solution if you don t have enough room for a double Ideal for teenagers guest rooms and attic rooms What size is a double mattress UK dimensions 4 6 x 6 3 135 x 190cm Popular with individuals couples moving into a new flat with limited room What size is a king mattress UK dimensions 5 x 6 6 150 x 200cm Large enough to help reduce partner disturbance Ideal for master ...

Page 6: ...sions 5 3 x 6 6 160 x 200cm Reduces partner disturbance Ideal for master bedrooms Useful tips for choosing the right size Ensure that the mattress dimensions are 10cm longer than the tallest person using the mattress Nobody wants cold feet on a chilly winter s night after all You also want to be able to stretch when you wake to really start the day Get the width right by tucking both hands under y...

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