Shop
Shopping Cart ({{cartTotalCount}})

{{sale.message}}
Code: {{sale.coupon}}

  • {{item.qty * item.price | fixed(2) | currency(total.currency) }} Out Of Stock

    {{item.tips}}

Gift

  • FREE

    {{item.gift_count * item.price | fixed(2) | currency(total.currency) }}

Gift

  • FREE

    {{item.gift_count * item.price | fixed(2) | currency(total.currency) }}
Apply
  • Subtotal {{total.subtotal |fixed(2) | currency(total.currency)}}
  • Shipping {{total.shipping |fixed(2) | currency(total.currency)}}
  • Discount {{total.discount |fixed(2) | currency(total.currency)}}
  • Tax Calculated at Checkout
  • Estimated Total {{total.order_total |fixed(2) | currency(total.currency)}}
Checkout

Nighslee 10 inch Cool Gel Memory Foam Mattress In Box - King Size

4.8 / 5 (234)

Size:

Add to Cart
Watch Video
Nighslee Premium Shredded Memory Foam Mattress
  • Nighslee Premium Shredded Memory Foam Mattress
  • Nighslee Premium Shredded Memory Foam Mattress
  • Nighslee Premium Shredded Memory Foam Mattress
  • Nighslee Premium Shredded Memory Foam Mattress
  • Nighslee Premium Shredded Memory Foam Mattress
Nighslee Premium Shredded Memory Foam Mattress
Nighslee Premium Shredded Memory Foam Mattress
Nighslee Premium Shredded Memory Foam Mattress
Nighslee Premium Shredded Memory Foam Mattress
Nighslee Premium Shredded Memory Foam Mattress

Nighslee 10 inch Cool Gel Memory Foam Mattress In Box - King Size

  • The Nighslee king size memory foam mattress lets you sleep like true royalty. At nearly double the width of a Twin XL and more leg room, the king memory foam mattress gives plenty of space for a couple to sleep on. Or if you want to conquer all the space in a mattress.

Share with your friends to get an extra $50 OFF coupon!

free shipping
Size

100-Night Free Trial See Detail

  • SALE
Add To Cart

Estimated Delivery: Typically 3-7 Business Days

overview

Nighslee values your sleep and seeks to make every night just as comfortable as the last. Perfectly combining the comfort of memory foam and the coolness of our patented Cooling AirGel™, there is no better sleep.

Employing the cooling AirGel™ technology within the top layer, Nighslee cool gel memory foam mattresses have the confidence to dispense the heat around you and regulate your body temperature, leaving you cooler the whole night.

Nighslee cool gel memory foam mattress

Features

  • Nighslee Patented Cooling AirGel™ Technology
  • Eco-Friendly Hypoallergenic Bamboo Cover
  • CertiPUR-US® Certified Foam
  • Meets the Required Criteria of Standard 100 By OEKO-TEX®
  • 100-Night "Risk-Free" Sleep Trial
  • 100-Night Sleep Trial

  • Mattress in a Box

  • Ships Within 24 Hours

  • Free Shipping

Sweat the small stuff, not your bed.

Sleeping hot on memory foam is a thing of the past. Our patented cooling AirGel keeps the heat at bay leaving you cool and comfortable throughout the night.

Let the best mattress win!

Prices based on a review of Casper, Zinus and Macys websites as of 27/12/2018

Brand Firmness Top Layer 2nd Layer Bottom Layer Price ( Queen )
Conventional Low-priced Mattress Medium-Firm (5.5) 2" Gel-infused Memory Foam 2.5" Comfort Foam 5.5" High-density Base Support Foam $285
Nighslee Medium-Firm (5.5) 3" Patented Cooling AirGel™ Foam 2" Bamboo Contour™ Eco Comfort Foam 5" Supportive High-density Base Foam $525
Online Competition Medium (5) 1.5" Polyfoam 3.5" PCF Memory Foam & Polyfoam 5" 1.8PCF Support Polyfoam $995
Gel Foam Mattress Soft (3) 3" Gel-infused ventilized memory foam - 7" High-density Support Foam $1199
Brand Firmness
Conventional Low-priced Mattress Medium-Firm (5.5)
Nighslee Medium-Firm (5.5)
Online Competition Medium (5)
Gel Foam Mattress Soft (3)
Brand Top Layer
Conventional Low-priced Mattress 2" Gel-infused Memory Foam
Nighslee 3" Patented Cooling AirGel™ Foam
Online Competition 1.5" Polyfoam
Gel Foam Mattress 3" Gel-infused ventilized memory foam
Brand 2nd Layer
Conventional Low-priced Mattress 2.5" Comfort Foam
Nighslee 2" Bamboo Contour™ Eco Comfort Foam
Online Competition 3.5" PCF Memory Foam & Polyfoam
Gel Foam Mattress -
Brand Bottom Layer
Conventional Low-priced Mattress 5.5" High-density Base Support Foam
Nighslee 5" Supportive High-density Base Foam
Online Competition 5" 1.8PCF Support Polyfoam
Gel Foam Mattress 7" High-density Support Foam
Brand Price (Queen)
Conventional Low-priced Mattress $285
Nighslee $525
Online Competition $995
Gel Foam Mattress $1199

We don’t strive to be the cheapest mattress,
instead, the best value

We chose the highest quality material to construct each mattress from the inside out.
Supportive and comfortable regardless of your sleep position – what you feel is Nighslee having your back.

Nighslee supportive and comfortable memory foam Nighslee supportive and comfortable memory foam

What makes a mattress expensive ?

The secret makes mattress companies don't want you to know

nighslee Nighslee patended cooling AirGel™ Foam

Patended Cooling AirGel™ Foam

Density: More than 3Lb

  • Longer Duration
  • Improved Comfort
  • Sleep Cool
others Other Conventional Memory Foam

Conventional Memory Foam

Density: Less than 3Lb

  • Short-term Lifespan
  • Strong Odors
  • Sleep Hot

AirGel™ - What is it?

Millions of gel microbeads infused directly into Nighslee’s cool gel memory foam mattress to regulate body heat
within a certain temperature range so you don’t sleep hot. A true one-of-a-kind experience, just for you.

Cool And Cozy

Forty air permeable venting holes per m²

Seamless Support

Reinvented for the best edge support and comfort

Premium Memory Foam

Prolonging deep sleep by 23%

Eco-friendly Material

Recyclable and biodegradable

Nighslee’s Airgel memory foam

We didn't stop with one test.

You did the egg test, cool. Oh, you did the wine glass test, wow. Well, we did both.

90% of Nighslee sleepers rate our mattress
as medium-firm feel

Nighslee mattress as medium-firm

USE A SURFACE YOU LIKE
Don’t be restricted

Blend your bed with any decoration, whether you have a box spring platform or an adjustable platform bed frame. Nighslee always finds a way to fit perfectly. You can even just use the floor. Although, it could be quite dusty down there.

Box Spring

Platform

Metal Grid

Slatted Base

Adjustable Base

Product Specs

Measurements & Dimensions

Twin

75" x 39" x 10"

41.4 lb

Full

75" x 54" x 10"

56.6 lb

Twin XL

80" x 39" x 10"

44.1 lb

Queen

80" x 60" x 10"

66.5 lb

King

80" x 76" x 10"

84.4 lb

Split King

80" x 78" x 10"

88.2 lb

Size (L x W x D) Weight
Twin
75" x 39" x 10"
41.4 lb
Full
75" x 54" x 10"
56.6 lb
Twin XL
80" x 39" x 10"
44.1 lb
Queen
80" x 60" x 10"
66.5 lb
King
80" x 76" x 10"
84.4 lb
Split King
80" x 78" x 10"
88.2 lb

Warranty

Shipping

Shipping Cost

Nighslee mattress in a box

Comfort is more than
just a bed

  • 100-Night Risk-Free Trial

    Comfort you can only see to believe. We provide a 100-night trial period to test the comfort for yourself. Any dissatisfaction, we take it back. It’s THAT simple. Read more

  • 10-Year Warranty

    Quality is our ultimate goal. Sleep soundly knowing we have got you covered for 10 years against manufacturing defects and other abnormal issues. Take a look at our "WARRANTY" page for more info. Read more

  • Free Shipping

    Nighslee provides free home delivery service, making your online shopping a breeze. No need for second guesses.

Let our better half tell you...

  • {{item.username}} Verified Purchase

    From {{item.city}}

    {{item.sleepPosture}} Sleeper {{item.sleepNum | numText}}

We Our Sleepers