Eight Mars+
GoodBed Expert Review
Our Take on Eight Mars+

Founder of GoodBed, Leading Mattress Expert
Eight Sleep Mars+ Mattress Review (2019)
GoodBed Editorial
Before buying an Eight Sleep Mars+ mattress, read our in-depth ratings for different types of sleepers to find out if this is the right mattress for you.
See our full reviewReviews Mars+
Expert Q&A
See questions from other mattress buyersAdditional Information
General Description
Hybrid design with reactive comfort
Hybrid of sleeved coils and soft foam layers combined for support and breathability. Includes the smart technology to track your sleep, manage bed temperature and integrate with your smart home. 11 inches tall, with 4 Layers of foam and coils:
- 2” Reactive Foam
- 2” Comfort Transition Foam
- 4” Sleeved Coils, surrounded by a Polyfoam Layer that provides edge support
- 3” High Density Support Foam
Smart Like No Other Mattress
The Mars+ uses our Sleep Tracker to turn your mattress into a smart bed. Review your sleep data, use the dual zone warming feature for an extra cozy bed, connect to almost any wifi-enabled device in your house.
- Sleep Data Trends - See nightly data and discover trends to improve your slew.
- Built-in Bed Warming - Set the ideal temperatures for each side of the bed.
- Integration with Smart Home - Create a smart bedroom by connecting to other products.
- Smart Alarm - Wake up at the best time, every morning.
From the GoodBed Editors:
To decide whether the Mars is the right choice for you, read GoodBed's expert review of the Eight Mars mattress or watch our in-depth comparison and video review of the Mars and Jupiter mattresses from Eight Sleep.
Mattress Specifications:
- Smart Cover Details: The Smart Cover is the technology layer. Proprietary technology to track sleep, warm up the bed, and connect with other smart home devices.
- Top Layer Details: 2" Reactive foam
- Second Layer Details: 2" comfort transition foam
- Edge Support Details: Firm poly foam perimeter that provides added edge support
- Primary Support Details: 4" sleeved coils
- Secondary Support Details: 3" high density support foam
Warranty
- Length: 10-year warranty.
- Indentation coverage: 1" and deeper.
- Proration: 10 years of full ("non-prorated") replacement coverage.
- Other Notes: Technology/electronics warranty is 1 year.
About This Model
Status | Discontinued |
---|---|
Comfort Level | Medium-Firm |
Surface Type | Unquilted |
Support Type | Innerspring |
Build Details |
|
Corrections
Have an update or correction to our information about Eight Mars+? If so, please take a moment to suggest an edit.