Amerisleep AS5 vs Nectar Premier: Which Foam Mattress Fits You?

Quick answer: I would choose the Amerisleep AS5 All Foam for a plush, pressure-cushioning feel, especially if you sleep on your side and dislike a firm surface. It is the softer bed in this matchup and has a more elaborate zoned-support design. Choose Nectar Premier Memory Foam if you want a medium-firm feel, a lower purchase-price target, or a longer advertised trial before settling on a mattress.

Both are all-foam beds, but they are not close substitutes in feel: Amerisleep labels the AS5 soft; Nectar positions Premier as medium-firm. The AS5 wins this comparison for the shopper seeking plush comfort. If you prefer a more level, less yielding surface, Nectar Premier is the stronger match, not a consolation prize.

This compares the all-foam models, not the AS5 Hybrid or Nectar Premier Hybrid. Check the variant name before checkout. Read our Amerisleep AS5 review for model-specific detail and our Nectar Premier review for the other side of the comparison.

Which mattress fits the way you sleep?

• Choose AS5 if you want a very soft surface. Its 14-inch all-foam build and soft feel are aimed at people who want more cushioning and contour rather than a firm, buoyant response.
• Start with AS5 if you sleep on your side and prefer extra give around the shoulder and hip. That is a comfort-based recommendation, not a promise that every side sleeper will feel the same support.
• Choose Nectar Premier if you prefer medium-firm. Nectar displays the Premier at 6.5 on its firmness scale, making it the more supported-feeling starting point in this head-to-head.
• Favor Nectar if a longer trial matters most. Nectar advertises 365 nights; Amerisleep advertises a 100-night trial for AS5. Read the full conditions for the exact purchase before treating either headline as your return entitlement.
• Do not choose the AS5 just because it is thicker. The extra profile height does not establish that it will feel better or last longer for you.
• Look at a hybrid instead if your priority is a coil feel or more spring-like response. These two versions are all foam.

My winner is the AS5 because the question is which mattress makes the stronger case overall for a shopper comparing these models: Amerisleep combines a clearly soft feel with named comfort and support layers. But if soft foam is exactly what you avoid, Nectar Premier is the more sensible choice for your preferences.

Amerisleep AS5 vs Nectar Premier at a glance

The clearest distinction is softness. Amerisleep calls AS5 soft and lists it at 14 inches; Nectar calls Premier medium-firm and places it at 6.5 on the brand’s scale. Use those labels to narrow your options, not as a guarantee that two sleepers will rate either bed identically.

Compare the same size and mattress type, then look at the final checkout total rather than a crossed-out list price. Amerisleep displays the Queen AS5 at $1,849 against a $2,349 regular price, with a $500 promotion. That is a time-sensitive offer, not a guaranteed future price. Nectar’s live price can also change with size and promotion, so I would not call either brand cheaper without comparing the exact carts on the day you order.

Check today’s Queen AS5 price at Amerisleep and compare it with the Queen Nectar Premier Memory Foam price—not a hybrid, bundle, or different size.

What does the feel difference mean in bed?

The AS5 is the softer option by the brands’ own descriptions. Amerisleep calls it ultra-soft and says its comfort system combines Bio-Pur memory foam with Active Flex foam. For a side sleeper who wants a mattress to cushion more around the shoulder and hip, that is the more inviting starting point. The brand also describes its HIVE layer as targeted support, with extra support under the head, back and legs and more cushioning at the shoulders and hips.

Nectar Premier is positioned differently. Nectar calls it medium-firm and shows 6.5 on its firmness scale. The 13-inch all-foam design uses memory-foam comfort layers and support foams. If you want pressure relief but do not want the softest surface in the comparison, Premier’s firmer label may suit you better.

For a side sleeper who loves a soft mattress, I would begin with AS5. A shoulder that feels crowded on a firm bed may appreciate more give, but no mattress label can tell you exactly how your body will settle. If you are a side sleeper who prefers a firmer, more lifted feeling, do not rule Nectar out just because it is not the plush pick.

For back or combination sleepers, decide how much sink you want. If you like being cradled and do not mind a slower foam feel, the AS5 remains an option. If you want a medium-firm platform that feels less plush, Nectar Premier is the safer first comparison. Neither model has coils in the version covered here, so a shopper seeking lively spring response should compare a hybrid separately.

Amerisleep describes Bio-Pur as plant-based memory foam and highlights its open-cell construction. The AS5 also includes Active Flex and HIVE rather than relying on the comfort foam alone. Nectar emphasizes a cooling cover and pressure-relief foam in Premier. These are manufacturer descriptions of materials and design; they do not establish a measured temperature difference between the two beds.

How are the constructions different?

Amerisleep’s all-foam AS5 is 14 inches tall, with Bio-Pur memory foam, Active Flex foam, a HIVE transition layer and a base foam. The product page also lists Refresh Cooling Technology. Together, those details describe a soft top feel with a more articulated transition and support design; they do not guarantee that you will find the bed comfortable.

Nectar Premier Memory Foam is 13 inches tall. Nectar describes cooling fibers in the cover and memory-foam comfort layers over support foam. Select Premier Memory Foam specifically: Nectar sells a separate Premier Hybrid, whose coils change the construction and feel.

Neither height nor a branded material name proves durability. If you are comparing specifications, focus on the exact model, firmness, full warranty text and the return terms attached to the sale.

How much do the trial and return policies change the choice?

Nectar advertises a 365-night trial; Amerisleep advertises 100 nights for AS5. That gives Nectar the longer stated period to decide at home. A longer trial can lower the pressure to judge a mattress quickly, but it does not tell you whether you will like the feel. Read the current written policy for the order you are placing, including when the trial starts, any minimum-use period, return eligibility, and the steps required to arrange a return.

Amerisleep’s AS5 page lists free shipping and returns and says the 100-night trial includes a 30-night initial period before a return. Confirm the full current conditions before purchase. Nectar advertises free shipping and returns with Premier; confirm the applicable trial and return terms for the selected product and order. Do not assume a bundle, adjustable base, or accessory follows the mattress’s return rules.

The AS5 is the comfort pick; Nectar has the longer advertised trial. If you are torn because you have not experienced either feel, a trial may matter more than a small promotional difference. I would still choose based on your firmness preference first: a very soft mattress is not a safe bet for someone who wants firm support just because the return window is longer.

Warranty, shipping, and what to verify before checkout

Amerisleep advertises a 20-year warranty for AS5. Nectar advertises its Forever Warranty for Premier. Those are headline durations, not a complete description of coverage. Review each brand’s written terms for what counts as a defect, exclusions, required foundations, proof-of-purchase rules and any remedy limitations. Keep your receipt and order details.

Amerisleep’s AS5 listing shows in-stock status and a 2–7-business-day shipping estimate. Treat that as an estimate, not a guaranteed delivery appointment; confirm timing and address eligibility at checkout. Nectar’s delivery estimate and final shipping terms may depend on the exact order and location, so verify them on its live checkout page.

Before buying, confirm that you selected the all-foam version, the correct size, and any optional cooling or base upgrade you actually want. Add-ons can change the order total and may have different policies from the mattress. Save the policy shown at checkout alongside your order confirmation.

Who should not buy either mattress?

• Skip the AS5 if you want a firm mattress. Amerisleep labels it soft; that is not the right starting point if you actively want a hard, level feel.
• Skip Nectar Premier if you want a notably plush mattress. Nectar positions it as medium-firm, so it is the less suitable pick for someone shopping specifically for the softest option.
• Skip both if your priority is coil bounce. This comparison covers the all-foam versions. Look at a hybrid design if springs are important to you.
• Do not buy either solely to treat pain. Choose for comfort and support preferences; neither mattress should be treated as medical care.
• Do not assume a cooling claim guarantees a cooler night. Covers, foam design, bedding, room conditions and personal comfort all affect how warm a bed feels.

For shoppers who fall between these descriptions, compare the AS5 with Amerisleep’s firmer AS3 or with the Nectar Premier Hybrid only after deciding whether you want all foam or coils. The AS5 Hybrid is also a distinct model, not simply another name for the AS5 All Foam.

How we compared them

I compared the current Amerisleep AS5 All Foam and Nectar Premier Memory Foam listings: firmness, height, construction, trial, warranty and delivery. I kept hybrids out and did not invent a matching Nectar price.

This is a specification and policy comparison, not a hands-on test or lab measurement. I have not slept on either mattress for this article. Use the trial that applies to your order to judge comfort.

Also considered: AS5 Hybrid and Nectar Premier Hybrid

Amerisleep sells an AS5 Hybrid as a separate version with coils. It may be worth comparing if you want AS5’s soft positioning but prefer a hybrid construction. Its coil system means its response and edge feel should not be assumed to match the all-foam AS5 described above.

Nectar also sells Premier Hybrid. It is not the same mattress as Nectar Premier Memory Foam, even though the names are similar. Confirm the product heading, construction and price before placing your order. If you want a firmer Amerisleep option rather than the plush AS5, the AS3 is another model to investigate; see our AS5 review for the lineup context.

Frequently asked questions

Is Amerisleep AS5 softer than Nectar Premier?

Yes, by the brands’ published positioning. Amerisleep calls AS5 soft; Nectar calls Premier medium-firm and displays 6.5 on its scale. Firmness descriptions are not standardized across brands, so use them as a comparison rather than a guarantee of your personal feel.

Is Amerisleep AS5 a good choice for side sleepers?

It is a reasonable starting point if you are a side sleeper who prefers a soft, cushioning mattress. Amerisleep describes the AS5 as ultra-soft and says its HIVE layer adds cushioning at the shoulders and hips. If you prefer a firmer surface, Nectar Premier may be the better match.

Does AS5 come in an all-foam and hybrid version?

Yes. Amerisleep presents AS5 All Foam and AS5 Hybrid as separate material choices. This comparison covers the all-foam version only; compare the hybrid separately if you want coils.

How long is the trial for each mattress?

Amerisleep advertises a 100-night trial for AS5. Nectar advertises a 365-night trial for Premier. Check the current written terms for the exact version and purchase, including any minimum-use period and return eligibility.

Which mattress has a longer warranty?

Nectar advertises a Forever Warranty for Premier, while Amerisleep advertises a 20-year warranty for AS5. Compare the written terms, not just the headline duration; coverage and exclusions determine what a warranty provides.

Is Amerisleep AS5 cooler than Nectar Premier?

Amerisleep lists Refresh Cooling Technology and describes Bio-Pur’s open-cell design; Nectar describes cooling fibers in Premier’s cover. These are brand claims about design, not direct comparative temperature measurements, so I would not promise that one will sleep cooler for every person.

Is the Amerisleep AS5 worth the higher price?

That depends on the live price for your size and whether its soft feel is what you want. Compare the exact AS5 All Foam and Nectar Premier Memory Foam sizes at checkout, including promotion and delivery. I would pay more for AS5 only if its softer feel and construction are the better fit for you.

What is the bottom line?

Amerisleep AS5 is my winner for a soft, cushioning all-foam feel; Nectar Premier is the better pick if you prefer medium-firm and want the longer advertised trial. Match the mattress to the feel you actually want, compare the same size, and read the return and warranty terms for your exact order.