Turn this comparison into a purchase decision
Use the comparison below to narrow the field, then check the live offer before you buy. Brand promotions can change faster than editorial pages.
Yawnder mattress comparison · Manufacturer information checked October 29, 2026. Yawnder may earn a commission through qualifying links.
Age and sleep safety: These are children’s bed mattresses, not recommendations for infant cribs. For babies, follow pediatric safe-sleep guidance and use a properly fitted crib mattress. For bunk beds, follow the bed’s mattress-size and guardrail instructions. The American Academy of Pediatrics advises against top-bunk use by children under six.
Helix Kids vs. Avocado Eco Organic Kids vs. Nolah Nurture
Helix Kids
Earlier Yawnder score: 8.7/10. Check the selected 6- or 8-inch version.
Avocado Eco Organic Kids
Earlier Yawnder score: 8.5/10. A 7.5-inch latex-and-coil design.
Nolah Nurture
Earlier Yawnder score: 8.7/10. Nolah lists a flippable 8-inch hybrid.
| Feature | Helix Kids | Avocado Eco Kids | Nolah Nurture |
|---|---|---|---|
| Construction | Two-sided. Current 8-inch model uses foam and coils; the 6-inch low-profile version uses foam. | Latex, wool and cotton with individually wrapped coils. | Nolah’s support guide lists an 8-inch foam-and-coil hybrid. Confirm the material of the exact version. |
| Height | 6 or 8 inches, depending on selection. | 7.5 inches. | 8 inches per Nolah. |
| Feel | Firmer and softer sides. | One medium feel. | Firm and soft sides. |
| Sizes | Twin and Full. | Twin, Twin XL and Full listed on the product page; confirm availability. | Twin, Twin XL and Full listed by Nolah support; confirm availability. |
| Direct trial | Helix’s terms say 365 nights; its product page says 120. Confirm in writing. | 100 nights for Eco Kids, subject to the policy. | Nolah’s support pages differ on 120 versus 365 nights. Confirm the exact offer in writing. |
| Price | Compare the same available size and configuration at checkout. Earlier queen-price figures were not reliable for these kids’ models. | ||
Sources: Helix Kids, Avocado Eco Kids, and Nolah lineup guide. Availability and versions can change.
How to choose for your child
Fit the mattress to the bed’s specified dimensions and maximum thickness; an advertised “bunk bed” option is not a substitute for checking your particular frame. Consider safe access, the usable guardrail height, and whether a child can get in and out comfortably.
Helix and Nolah offer two-sided designs, allowing a different feel when flipped. Avocado’s Eco Kids has one listed feel and uses latex and wool. Comfort depends on the individual child; avoid assuming a single firmness or material suits every age. For questions about a child’s needs or a known latex allergy, consult their pediatrician.
A fitted waterproof protector can make spills easier to manage, but check its size, care instructions and the mattress warranty. Water-repellent is not necessarily waterproof; Helix says its cooling-cover option is not water- or stain-repellent.
Earlier Yawnder comparison scores
The original page reported the scores below. The exact versions, sides and test records are not identified on this page, so they are historical figures, not verified rankings of current models or evidence of a particular child’s comfort or safety.
| Tested metric (0–10) |  Helix Kids Mattress |
 Avocado Kids Mattress |
 Nolah Nurture Mattress |
|---|---|---|---|
| Pressure reliefhow much the comfort layer lets the shoulder and hip sink before the support core pushes back | 8.7 | 9.2 | 8.5 |
| Spine alignmenthow level the hips stay with the shoulders once the sleeper settles in | 9.2 | 9.2 | 9.2 |
| Coolingearlier reported score | 9.2 | 8.5 | 8.7 |
| Motion isolationhow much a partner’s movement carries across the bed | 8.7 | 7.8 | 8.3 |
| Edge supportwhether the outer third of the mattress is usable for sitting and sleeping | 7.8 | 8.3 | 8.3 |
| Responsivenesshow quickly the surface recovers when you change position | 8.3 | 8.3 | 8.7 |
| Durability outlookearlier outlook, not a lifespan guarantee | 8.7 | 8.3 | 9.2 |
| Off-gassingsmell on unboxing and how fast it clears | 8.7 | 8 | 8.7 |
Trial, warranty and delivery
Helix’s trial page and support article describe 365 nights for Helix Kids after a 30-night minimum, while its product page also describes 120 nights. Nolah’s support information similarly contains 120- and 365-night descriptions. Confirm the current written offer for the selected product before paying.
Avocado lists a 100-night trial for Eco Organic Kids; check the applicable return conditions. Warranty coverage, return eligibility, shipping and delivery depend on the seller. Yawnder’s terms may differ from the brand-direct offers.
Frequently asked questions
Can these replace a crib mattress for an infant?
No. Use a correctly fitting mattress designed for the crib and follow your pediatrician’s safe-sleep guidance.
Can I use any of these on a bunk bed?
Only if the exact mattress meets the bed manufacturer’s size and thickness requirements and the guardrails remain effective. AAP advises no top bunk for children under six.
Do all three flip for a different feel?
Helix Kids and Nolah Nurture offer two-sided designs. Avocado Eco Organic Kids is listed with a single medium feel.
Are the covers washable?
Do not assume so. Check the exact cover’s care label and use a properly fitting washable protector if desired.
For more, read our Nolah mattress review and testing methodology.
Check the live offer
Promotions change. Use the current brand offer and one last side-by-side check before you order.
Compare both beds against 142 tested mattresses
Sort all 142 mattresses we have tested by pressure relief, support, cooling, motion isolation, edge support, price, trial and warranty, then filter by how you actually sleep. Of those, 84 hold a complete standardized record and 41 a partial standardized record.