The Amerisleep AS5 Hybrid Mattress is a 14-inch plush hybrid built for side sleepers and couples who want deep cushioning without giving up the steadier feel of a coil base. In our testing, it stood out for pressure relief and motion control, but the softer feel can let the hips sink too far for many stomach sleepers and some heavier back sleepers.
Table of Contents
Product overview
| Mattress | Overall Score | Pros | Cons | Ideal For |
|---|---|---|---|---|
| Amerisleep AS5 Hybrid Mattress | 4.3/5 | Excellent pressure relief; plush feel with some coil rebound; strong motion dampening | Too soft for many stomach sleepers; edge compresses when you perch; some sleepers may still notice warmth | Side sleepers; couples who like a plush bed; combo sleepers who want softness without feeling stuck |
Final verdict
The AS5 Hybrid puts plush comfort first, with enough underlying lift to keep the surface from feeling flat or lifeless. In our testing, it delivered standout shoulder and hip relief on the side. The trade-off is obvious: you have to like a deeper cradle, especially if you spend part of the night on your stomach or prefer a firmer, flatter feel under the lower back.
Who It’s For
- Side sleepers who want a deep, pressure-melting top
- Couples who prioritize motion isolation in a plush bed
- Combo sleepers who want softness without a trapped-in-foam feel
Who It’s Not For
- Strict stomach sleepers who need firmer hip support
- Firmness-first sleepers who dislike sink-in
- People who sit on the edge often and want a more rigid perimeter feel

How we tested
Across our mattress testing, we rotated between back and side sleeping over multiple weeks, then repeated the same nightly routine: reading on the back, long side-sleep stretches, and quick position changes to check whether the surface felt sticky. Marcus focused on heat buildup, edge stability, and whether his hips dipped too far. Mia stress-tested shoulder and outer-hip pressure on her side. Jenna ran partner-motion checks while Ethan got in and out of bed and drifted toward the perimeter. We scored Support, Cooling, Pressure Relief, Motion Isolation, Responsiveness, Edge Support, and Durability on a 5-point scale.
Our testing experience
On the first night, the AS5 Hybrid felt like a thick hotel topper laid over a steadier base. I noticed that most during my usual laptop-in-bed routine: my hips settled in, but my lower back didn’t complain the way it often does on softer all-foam beds. By week two, the surface still felt plush, but it was easier to roll across, and that small tug-of-war between contouring and mobility faded. Marcus liked the cushioning but said his hips could sink too far if he stayed on his back too long. Mia got the best result of the group: her shoulder sank in without pinching, and her neck stayed straighter on her side. Jenna and Ethan came away with the same note: movement stayed local, and the bed didn’t jolt when one person repositioned, though the edge compressed when they sat down to put on socks.
What we liked
- Pressure relief that feels immediate at the shoulders and hips
- Plush comfort that still has enough rebound for easier turning
- Quiet, low-disruption performance for partner sleep
Who it is best for
- Sleepers who wake up with shoulder or hip soreness
- Couples who want plush comfort without constant motion wake-ups
- Back sleepers who like a softer feel and don’t need a firm lumbar shelf
Where it falls short
- Stomach sleeping can push the hips too deep for clean alignment
- Edge sitting feels compressed because the comfort layers are thick
- Hot sleepers who dislike any foam warmth may want a more airflow-forward build

Pros and cons
| Pros | Cons |
|---|---|
| Ultra-plush feel with a supportive coil foundation | Too soft for many stomach sleepers |
| Strong pressure relief for side sleeping | The edge compresses when you perch on it |
| Motion stays localized for couples | Heavier back sleepers may feel the hips sink too far |
| More responsive than many slow memory foam beds | The foam feel can still hold some warmth |
| Long warranty and straightforward home trial | The deep cradle won’t suit firmness-first shoppers |
Details
- Mattress type: Hybrid
- Profile: 14 inches
- Feel: Soft, plush
- Layer build (comfort to base): plush foam comfort system over a pocketed-coil support core
- Cooling elements: open-cell Bio-Pur foam, coil airflow, and Refresh Cooling Technology
- Sleep trial: 100 nights (returns after the first 30 nights)
- Warranty: 20 years
- Shipping/returns: free shipping and returns
- Materials notes: fiberglass-free; Bio-Pur foam is CertiPUR-US certified
- Made in: USA (covers sewn in Canada)
- Foundation guidance: slats should be no more than 2.75" apart; avoid box springs

Review score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.2/5 | The coil base keeps a baseline lift, but the plush top allows deeper sink for heavier back and stomach sleepers. |
| Cooling | 4.0/5 | It breathes better than many all-foam beds, though the thick comfort stack can still hold warmth for hot sleepers. |
| Pressure Relief | 4.8/5 | Shoulders and hips sink in cleanly without building sharp pressure. |
| Motion Isolation | 4.4/5 | Partner movement stays muted, especially for a coil-based mattress. |
| Responsiveness | 4.3/5 | The comfort layers and coils make turning easier than on many slow-response foam beds. |
| Edge Support | 4.1/5 | It feels steady enough when lying near the side, but sitting compresses the plush perimeter. |
| Durability | 4.4/5 | The hybrid build and long warranty are reassuring, though very plush comfort layers can soften with time. |
| Overall | 4.3/5 | Best for shoppers who want plush pressure relief with enough coil structure underneath. |
Buying guide
Pick the AS5 Hybrid if you’re a side sleeper or part of a couple that wants plush comfort, strong pressure relief, and a calmer sleep surface. If you’re heavier, pay close attention to whether you like a deeper cradle or need a flatter feel under your hips and lumbar area. If you run hot and dislike any foam warmth, a cooler, more buoyant model may suit you better.
For similar shoppers:
- Side sleepers wanting a plush, premium hybrid: Helix Sunset Luxe
- Sleepers who want a luxury hybrid with multiple firmness options: Nolah Evolution 15

Limitations
The biggest trade-off here is simple: this mattress is plush on purpose. If you need a firm, steady plane for stomach sleeping, or you’re a heavier back sleeper who wants minimal hip sink, the feel can drift too soft over a full night. Edge sitting is also more compressive than you might expect from the coil core because the thick comfort layers are what you feel first.
Alternatives
Why choose these models
- You want a true plush surface with coil lift underneath
- You need high-end pressure relief for side sleeping
- You share a bed and want movement to stay quiet
Alternatives to consider
- Helix Sunset Luxe: plush feel with zoned support and a reinforced perimeter
- Saatva Classic Plush Soft: innerspring bounce with a softer comfort option
- Nolah Evolution 15: luxury hybrid with firmness choices and zoned coils
Pro tips
- Give it a consistent 30-night adjustment window before you decide whether to keep it.
- Use a pillow height that matches your side-sleeping setup; a pillow that is too tall can undo some of the shoulder relief.
- If you run warm, use breathable bedding and a lighter comforter than usual.
- Rotate the mattress head to foot a couple of times a year to encourage more even wear.
- For edge sitting, perch a few inches in from the perimeter to avoid that plush collapse feeling.
- Pair it with a solid platform or a slatted base with tight spacing to keep the surface stable.
- If your hips sink too far on your back, a thin pillow under the knees may ease some lumbar tension.
- For couples, separate blankets can help you preserve the mattress’s motion-isolation advantage.
- Add a breathable mattress protector early to help keep the cover cleaner over time.
FAQs
Does the Amerisleep AS5 Hybrid Mattress feel “stuck” like classic memory foam?
It contours deeply, but the comfort layers and coil rebound made turning feel easier than on many slow-response foam beds.
Is it supportive enough for back pain?
In our testing, it worked best when more of the night was spent on the side or in a mixed side/back position. If your back pain usually gets worse when your hips sink on softer beds, this one may feel too plush.
How does it handle couple movement?
Jenna and Ethan both described the nights as calm: getting in and out of bed didn’t ripple across the surface the way bouncier hybrids sometimes do.
Who should avoid this mattress?
Strict stomach sleepers and firmness-first shoppers are the most likely to dislike the deeper cradle.