Disclaimer: Every time you use one of our affiliate links, we earn a commission. Your purchase supports our research so we can bring you the best info about sleep products. Learn More

<

Amerisleep AS3 vs Eight Sleep Mars vs Casper

Amerisleep AS3, Eight Sleep Mars and Casper are included in the same product category. During periodic maintenance, you can easily reverse these beds. These models fit adjustable bed bases perfectly. The delivery is quick and hassle-free. Check the feel of the sleep surface at home with leisure. These bed-in-a-box mattresses are easy to handle and unpack.

Amerisleep AS3 Logo

Amerisleep AS3

Pro Score
89
User Score
76

The Amerisleep AS3 is a best-selling combination foam...

Eight Sleep Mars logo

Eight Sleep Mars

Pro Score
88
User Score
73

The Mars is a benchmark mattress in the Eight Sleep...

Casper logo

Casper

Pro Score
89
User Score
85

The Casper Original is a popular foam mattress by...

Details

Amerisleep AS3 Logo

Price (Queen)

1400

Eight Sleep Mars logo

Price (Queen)

1200

Casper logo

Price (Queen)

1095

Amerisleep AS3 Logo

Sizes

Cali King, Full, King, Queen, Split King, Twin, Twin XL

Eight Sleep Mars logo

Sizes

Cali King, Full, King, Queen, Twin, Twin XL

Casper logo

Sizes

Cali King, Full, King, Queen, Twin, Twin XL

Amerisleep AS3 Logo

Weight (Queen)

96

Eight Sleep Mars logo

Weight (Queen)

90

Casper logo

Weight (Queen)

71

Amerisleep AS3 Logo

Mattress Build

3 layers foam

Eight Sleep Mars logo

Mattress Build

4 layers foam and springs

Casper logo

Mattress Build

3 layers foam

Amerisleep AS3 Logo

Quilted Foam

No

Eight Sleep Mars logo

Quilted Foam

Yes

Casper logo

Quilted Foam

No

Amerisleep AS3 Logo

Warranty

20 Years

Eight Sleep Mars logo

Warranty

10 Years

Casper logo

Warranty

10 Years10

Amerisleep AS3 Logo

Height

12

Eight Sleep Mars logo

Height

11

Casper logo

Height

11

Amerisleep AS3 Logo

Comfort Level offered

Medium

Eight Sleep Mars logo

Comfort Level offered

Medium soft

Casper logo

Comfort Level offered

Medium firm

Expert Reviews

Value for money

Amerisleep AS3 Logo
91

Based on 7 reviews

Eight Sleep Mars logo
90

Based on 5 reviews

Casper logo
84

Based on 12 reviews

Sleeping Cool

Amerisleep AS3 Logo
90

Based on 5 reviews

Eight Sleep Mars logo
91

Based on 4 reviews

Casper logo
85

Based on 11 reviews

Comfort

Amerisleep AS3 Logo
95

Based on 2 reviews

Eight Sleep Mars logo
92

Based on 4 reviews

Casper logo
87

Based on 8 reviews

What the experts are saying

Amerisleep AS3 Logo

Joe Auer

Mattress Clarity

“ great option for side/combo sleepers who want a memory foam feel without the main...”

Eight Sleep Mars logo

Joe Auer

Mattress Clarity

“feel of the mattress and think the technology is really awesome. My only caveat is...”

Casper logo

Joe Auer

Mattress Clarity

“The heart and soul of the Casper mattress is its Zoned Support system this is a layer...”

Features

Amerisleep AS3 Logo
  • Adjusts on all bed foundations (slat base, platform base, adjustable bed)
  • Springy top layer for resilience
  • Memory Foam without feeling stuck
  • Body Contouring
  • Memory foam layer for enhanced comfort
Eight Sleep Mars logo
  • Works with adjustable beds, box spring, slatted bases, platforms, foundations
  • Breathable foam layers
  • Cloud-like bounce and quick response
  • Available in various sizes (from Twin to Cal King)
  • Exceptional pressure relief
Casper logo
  • Works with wooden slats, platform, adjustable bed base
  • Bouncy comfort layer providing resilience
  • Budget-friendly price
  • Cool and breathable feel
  • Great edge support
Amerisleep AS3 Logo
Amerisleep AS3
Eight Sleep Mars logo
Eight Sleep Mars
Casper logo
Casper

Summary

Amerisleep AS3

Cost based value

"Although all these three mattresses are offered within the same price range, each of these sleep surfaces has a different value for money. Depending on your usage and the availability of the features, each of the mattress performs uniquely. Eight Sleep Mars and Casper provide regular features for an affordable price while Amerisleep AS3 is slightly luxurious."

Amerisleep AS3

Comfort

"A comfortable mattress ensures a deep sleep. Amerisleep AS3, Eight Sleep Mars and Casper all are comfortable sleep surfaces. However, the choice depends on your sleeping position and comfort level preferences. For a plush feel, Amerisleep AS3 is an excellent choice while for a firmer feel, you may want to check out Eight Sleep Mars or Casper. "

Amerisleep AS3

Support

"Amerisleep AS3 and Eight Sleep Mars are more adaptable to people with heavyweight than the skinny people. The heavy layered structure is built to support people weighing over 200lbs. Lightweight people might like Casper better as its plush structure fits perfectly to the body curves and provides adequate pain relief to pressure points."

Amerisleep AS3

Motion transfer/isolation

"For couples and pet owners, this is an important consideration. Casper is bouncier than Amerisleep AS3 and Eight Sleep Mars. Thus, it may cause issues if you or your partner move a lot at night. On the other hand, Amerisleep AS3 and Eight Sleep Mars have excellent motion isolation properties because of the remarkable technology utilized in the layers. "

The Bottom Line

Conclusively, Amerisleep AS3 is a great mattress offering exceptional comfort, support, Cost based value and motion transfer/isolation at a low price. Depending on your sleeping habits and preferences, all three mattresses are designed to rejuvenate your mornings through relaxing nights.

Call Us
Book appointment