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Double size mattress: hybrid & memory foam mattress in a box

Shop the best double size (full szie) mattress for single sleepers at a fair price.

How Big Is A Double Size Mattress?

The full mattress, sometimes called a double, is 75 inches long, and 54 inches wide, which is 16 inches wider than a twin.

Mattress Sizes Dimensions (Inches) Dimensions (Centimeters)
Cal King Size Bed Dimensions 72” x 84” 183 cm x 213.5 cm
King Size Bed Dimensions 76” x 80” 193 cm x 203.5 cm
Queen Size Bed Dimensions 60” x 80” 152.5 cm x 203.5 cm
Double Size Bed Dimensions 54” x 75” 137.5 cm x 190.5 cm
Twin XL Size Bed Dimensions 38” x 80” 96.5 cm x 203.5 cm
Twin Size Bed Dimensions 38” x 75” 96.5 cm x 190.5 cm

Relax, And Feel How Sweetnight Is Different

Double mattress is the perfect fit for single sleepers who are seeking for an upgrade of their twin bed. With more space for you to sprawl and turn, Sweetnight Full is versatile to fit in most bedroom sizes, even in a smaller room.

Relax, And Feel How Sweetnight Is Different

Double mattress is the perfect fit for single sleepers who are seeking for an upgrade of their twin bed. With more space for you to sprawl and turn, Sweetnight Full is versatile to fit in most bedroom sizes, even in a smaller room.

full mattress sale - Sweetnight

Stay Cooler, Stay Asleep Longer

Sweetnight cooling technology and breathable mattress cover improve the cooling effect by 50%. Multi-layer foam design enhances air flow, and keeps you cool all night.

Premium Rebound And Last For Long

Equipped with only the most durable materials, Sweetnight tempered pocketed coil system brings the bounce of a quality mattress, guarding against unwanted sagging and sinking.

full size mattress in a box - Sweetnight
full size mattress sale - Sweetnight

Risk-free 100 Nights Sleep Trial

Returns is simple in Sweetnight. Please just let us know within 100 days if you don't like our full size mattress. We will pick it up and give you a full refund.

Frequently Asked Questions

Is The Double Mattress Right For Me?

Seven Options From Sweetnight Best Double Size Mattress

Seven Options From Sweetnight Best Full Size Mattress

8 inch full size mattress - Sweetnight

Ocean Blue Double 

  • Body Contouring
  • Back & Stomach Sleeper Support
  • Soft Touch Design
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10 inch mattress full - Sweetnight

Island Double 

  • Science Sleep System
  • Motion Isolation
  • Next Generation Memory Foam
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best hybrid full mattress - Sweetnight

Twilight Double 

  • Excellent Motion Isolation
  • Innovative Support Technology
  • Superior Cooling Effect
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10 inch full mattress - Sweetnight

Dreamland Double 

  • Unmatched Bounce
  • Cooling & Washable Cover
  • Enhanced Edge Support
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full foam mattress - Sweetnight

Sunkiss Double

  • Excellent Motion Transfer Control
  • Soft and Firm in One Mattress
  • Optimal Cooling and Pressure Relief
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10 inch memory foam mattress full

Breeze Double 

  • Relieves Pressure
  • Innovative Supports, Stays Cool
  • Lasts Long
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full size gel memory foam mattress - Sweetnight

Whisper Double 

  • Upgrade Cooling Materials
  • Two sides Sleep
  • Motion Isolation Control
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