In 2026, choosing your mattress online has become simple… at first glance. Between Emma, Tediber, and Slome (formerly Hypnia), three leaders in e-commerce bedding, the differences are sometimes subtle but crucial depending on your body type, budget, and comfort preferences.
Here is a neutral and detailed comparison to help you make an informed choice.
Why do these three brands dominate the market?
- Emma: German brand, number one in Europe. Award-winning models (Original, Hybrid II, Hybrid Premium II), advanced hybrid technology, and UltraDry thermoregulating cover on premium models.
- Tediber: French brand founded in 2015, focusing on transparency, local manufacturing (Fournes-en-Weppes), and a short range of hybrid mattresses (Hybrid, Hybrid Premium, Hybrid Infinite).
- Slome (formerly Hypnia): French pioneer of memory foam mattresses, renamed Slome in 2024 (formerly Hypnia). Wide hybrid range and aggressive pricing (120-night trial, 10-year warranty).
Performance Comparison
Comfort, support, and sleeping independence
| Brand / Model | Comfort | Support | Sleeping Independence |
|---|---|---|---|
| Emma Original | Balanced softness | Differentiated zones | Excellent |
| Tediber Hybrid | Firm yet welcoming | Pocket springs + memory foam | Very good |
| Slome (formerly Hypnia) Supreme Comfort | Very soft | Springs + viscoelastic foam | Excellent |
Composition, certifications, and durability
| Brand | Main materials | Certifications | Estimated lifespan |
|---|---|---|---|
| Emma | Memory foam or hybrid foam + springs | OEKO-TEX | 7 to 8 years |
| Tediber | HR foam, memory foam, Tencel cover | CertiPUR, OEKO-TEX | 8 to 10 years |
| Slome (formerly Hypnia) | Pocket springs, viscoelastic foam | CertiPUR, OEKO-TEX | 8 to 10 years |
Breathability and thermal regulation
- Emma: good on the Original model, excellent on the Hybrid II (graphite foam and UltraDry cover).
- Tediber: very good, breathable Tencel cover, perfect for heat-sensitive sleepers.
- Slome (formerly Hypnia): excellent, thanks to hybrid technology and bamboo fiber cover.
Services and commercial conditions
| Brand | Delivery | Home trial | Return | Warranty |
|---|---|---|---|---|
| Emma | Free (3–5 days) | 100 nights | Free | 10 years |
| Tediber | Express (1–5 days) | 100 nights | Free | 10 years |
| Slome (formerly Hypnia) | Standard (5–7 days) | 120 nights | Free | 10 years |
Indicative prices (140x190 cm, May 2026)
| Model | Catalog Price | Observed Price (promo) |
|---|---|---|
| Emma Original | ~499 € | from 350 € |
| Emma Hybrid II | ~999 € | from 650 € |
| Tediber Hybrid | ~743 € | from 520 € (-30 %) |
| Tediber Hybrid Premium | ~999 € | from 700 € |
| Slome (formerly Hypnia) Supreme Comfort | ~480 € | from 430 € |
All three brands regularly offer promotions (on average -30 to -50 %); the observed prices above correspond to the ranges noted in May 2026 on their respective official websites.
Where to buy these models?
See all Emma mattresses on the official website Discover the Tediber Hybrid Mattress Access the Slome (formerly Hypnia) Supreme Comfort mattressWho is each model for?
- Emma Original: perfect for average-sized sleepers, all positions, excellent first purchase. The Hybrid II version adds springs and a thermoregulating cover for heat-sensitive sleepers.
- Tediber Hybrid: ideal for those who prefer firmness, heavier individuals, or those valuing local production. The mattress is made in Fournes-en-Weppes (North) and combines pocket springs + memory foam. Note: the former universal model “L’Incroyable” has been replaced by the current range (Hybrid, Hybrid Premium, Hybrid Infinite).
- Slome (formerly Hypnia) Supreme Comfort: recommended for couples, side sleepers, or those seeking enveloping comfort and excellent ventilation. The brand was renamed Slome in 2024 (formerly Hypnia); the mattress and its features remain the same.
Summary Table
| Criterion | Emma Original | Tediber Hybrid | Slome (formerly Hypnia) Supreme Comfort |
|---|---|---|---|
| Comfort | Soft | Firm yet welcoming | Very soft |
| Support | Differentiated zones | Springs + memory foam | Springs + foam |
| Sleeping Independence | Excellent | Very good | Excellent |
| Breathability | Good | Very good | Excellent |
| Trial | 100 nights | 100 nights | 120 nights |
| Warranty | 10 years | 10 years | 10 years |
| Price (140x190, May 2026) | from 350 € (promo) | from 520 € (promo) | from 430 € |
To choose according to your body type and specific needs, consult our guide to choosing your mattress based on your weight and sleeping position and our complete mattress guide .
Compare Emma, Tediber, and Slome (formerly Hypnia) on lematelas.frFAQ
Are returns free?
Yes. All three brands cover returns free of charge during the trial period.
Can the cover be washed?
At Emma and Tediber, the cover is removable and machine washable. Some Slome (formerly Hypnia) models also allow this.
Do these mattresses need to be rotated regularly?
No. These mattresses are designed to be used on one side only. Just rotate them (head/foot) every 2 to 3 months.
Which mattress is best for a couple?
Slome (formerly Hypnia) offers excellent sleeping independence. Emma is versatile. Tediber is suitable for couples who prefer firm surfaces.
Emma, Tediber, or Slome (formerly Hypnia): which one to choose for people with back pain?
Emma Original and Tediber offer balanced support suitable for most profiles. For enhanced lumbar support, the Slome (formerly Hypnia) Supreme Comfort (pocket springs + memory foam) is particularly recommended. In any case, a medium to firm firmness is preferable to avoid sinking of the pelvis.