OUUI focuses on slim foam mattresses that work well in bunk beds, trundles, and tight rooms, plus a budget hybrid built to feel sturdier for daily adult use. In our testing, the best pick came down to matching the build to the sleeper: the thinner foam models made the most sense for kids and lighter adults, while couples and regular edge-sitters generally preferred the hybrid.
Table of Contents
- OUUI Mattress Lineup at a Glance
- What Stood Out in Testing
- OUUI Comparison Chart
- How We Tested OUUI Mattresses
- OUUI Mattresses: Our Testing Experience
- Compare Performance Scores of These Mattresses
- How to Choose an OUUI Mattress
- Limitations to Know
- OUUI vs. Similar Budget Options
- Pro Tips for OUUI Mattresses
- FAQs
OUUI Mattress Lineup at a Glance
| Mattress | Overall Score | Pros | Cons | Ideal For |
|---|---|---|---|---|
| OUUI 5" Kids Cooling Memory Foam (Washable Cover) | 3.5 | Washable cover; steady feel for a thin bed | Soft edges; limited depth for heavier sleepers | Kids’ rooms, trundles, guest setups |
| OUUI 5" Green Tea Cooling Gel Memory Foam | 3.6 | Cool-to-touch start; solid pressure relief for lighter sleepers | Low profile limits edge support and deep support | Bunk beds, daybeds, lighter sleepers |
| OUUI 8" Bamboo Cover Memory Foam | 3.8 | More stable for nightly use; balanced foam feel | Edges still softer than thicker or hybrid beds | Primary beds on a budget, combo sleepers |
| OUUI 10" Cooling Gel Memory Foam Hybrid | 4.0 | Best edges; easiest turning; most adult-friendly feel | More motion transfer than the all-foam models | Couples, back sleepers, edge users |
What Stood Out in Testing
Across the four models, the pattern stayed consistent: the thinner foam beds made sense in bunks, trundles, and lighter-weight use, but the hybrid held up better as a nightly adult mattress. Marcus (6'1", ~230 lbs) was the first to flag the 5-inch options for bottoming-out risk. Jenna and Ethan both preferred the hybrid’s firmer perimeter for the nightly in-and-out routine. Dr. Adrian Walker also emphasized that thickness and edge structure tend to matter more as body weight goes up.
OUUI Comparison Chart
| Feature | OUUI Kids Removable Cover Cooling Memory Foam | OUUI Green Tea Cooling Gel Memory Foam | OUUI 8 Inch Bamboo Cover Memory Foam | OUUI Cooling Gel Memory Foam Hybrid |
|---|---|---|---|---|
| Mattress type | Memory foam | Gel mattress / gel memory foam | Memory foam (gel-infused) | Hybrid |
| Comfort level | Medium | Medium | Medium | Medium |
| Thickness options | 5" / 6" | 5" / 6" | 5" / 6" / 8" | 10" |
| Cover notes | Removable washable cover; cooling cover | Removable zipper cover; non-slip bottom | Breathable bamboo knit cover | Pillow top; breathable |
| Cooling approach (observed) | Light cooling from the cover; low heat buildup for a thin bed | Cool initial feel; stays more manageable than most 5" foam | Best temperature control of the all-foam options we tested | Coolest overall thanks to airflow and easier repositioning |
| Support (observed) | Fine for kids/light adults; limited depth | Similar depth limits with a slightly plusher top | More stable midsection support overnight | Most stable lumbar/hip support; least “sink drift” |
| Pressure relief (observed) | Decent for shoulders/hips at lighter weights | More contour at the shoulder for side starts | Best balance of cushion and stability | Good overall, but a touch firmer at contact points |
| Motion isolation (observed) | Strong | Strongest | Strong | Moderate |
| Edge support (observed) | Weakest | Weak | Moderate | Strongest |
| Responsiveness (observed) | Slower | Slower | Moderate | Fastest |
How We Tested OUUI Mattresses
We slept on each OUUI mattress and ran the same repeatable checks at the start and end of the week. (see How We Test Mattresses) For support, we tracked hip and lower-back alignment in back and side positions. For cooling, we noted heat buildup after about an hour and whether we woke up warm. We scored pressure relief by shoulder/hip comfort on side nights, motion isolation by partner-movement tests, responsiveness by how easy it was to change positions, edge support by sitting and near-edge sleep, and durability by how quickly the feel changed with repeated use.
OUUI Mattresses: Our Testing Experience
OUUI Kids Removable Cover Cooling Memory Foam Mattress

Our Testing Experience
We started with this mattress on a trundle—exactly where a 5-inch profile either fits the job or feels too thin. The surface felt flatter and more stable than sink-in foam, which made it easy to sit up and read without my hips dropping. The trade-off showed up at the perimeter: when I perched on the edge, it compressed fast. Marcus slept on it for a full night and said it felt fine on his back, but he got “too close to the base” when he rolled onto his stomach. In our step-in/step-out motion test, movement stayed contained, but the edge still buckled under seated weight.
What we liked
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Stable, simple feel that works well in a trundle or kid bed
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Washable cover is practical for real-life spills and messes
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Strong motion isolation for a shared room or guest setup
Who it is best for
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Kids and teens
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Guest rooms where the bed isn’t used nightly
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Trundle/daybed/bunk-bed height constraints
Where it falls short
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Edge sitting and “outer-third” sleep feel unsupported
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Heavier adults may feel limited depth during stomach sleep
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Not the easiest surface for frequent turning

Pros & Cons
| Pros | Cons |
|---|---|
| Washable cover; easy upkeep | Low-profile depth limits support for heavier bodies |
| Medium feel works for many kids | Edge support is noticeably soft in real use |
| Good motion isolation from foam construction | Responsiveness is slower than hybrid-style beds |

Details
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Price: Twin $79.99; Twin XL $76.99; Full $105.99; Queen $115.99
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Comfort level: Medium
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Mattress type: Memory foam
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Thickness options: 5" / 6"
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Construction notes: 1" memory foam top layer; 4" high-density support foam base
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Cover: Removable washable cover; cooling cover mentioned
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Shipping: Mattress-in-a-box
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 3.6 | Stable for its height, but limited depth for heavier sleep styles |
| Cooling | 3.5 | Didn’t trap heat badly, but the thin foam still warmed over time |
| Pressure Relief | 3.7 | Enough cushion for light-to-average bodies; less forgiving under higher load |
| Motion Isolation | 4.3 | Foam absorbed partner movement well in our step-in/step-out tests |
| Responsiveness | 3.2 | Turning took a beat; not “snappy” |
| Edge Support | 2.8 | Sitting and near-edge sleep felt collapsible |
| Durability | 3.4 | Held shape decently, but feel changes quickly if used hard nightly |
| Overall | 3.5 | Best when used as a bunk/trundle/guest solution |
OUUI Green Tea Cooling Gel Memory Foam Mattress

Our Testing Experience
Compared with the removable-cover kids model, this one felt a little plusher on night one—my shoulder sank in sooner when I started on my side. The cool-to-the-touch feel was noticeable early, which made it comfortable for winding down. Marcus said it stayed reasonably cool for such a thin foam bed, but he still wanted more support under his hips when he ended up stomach sleeping. Jenna and Ethan liked the removable cover for day-to-day practicality, but both agreed the edges are soft: fine for climbing in, not ideal for sitting there long.
What we liked
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Comfortable contour for side-sleep starts
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Cooling feel at the surface early in the night
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Strong motion isolation for shared beds
Who it is best for
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Lightweight to average-weight sleepers
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Kids’ rooms, daybeds, and trundles where height matters
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People who prefer a slightly plusher top feel than firm foam
Where it falls short
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Limited edge structure for sitting and outer-third sleep
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Not ideal for heavier stomach sleepers
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Slow response can feel “sticky” when turning frequently

Pros & Cons
| Pros | Cons |
|---|---|
| Cooling gel + green tea infusion described | Low-profile limitations for edge use |
| Removable zipper cover; non-slip bottom | Turning is slower than hybrid-style mattresses |
| Medium feel with a plusher impression | Heavier sleepers may want more depth/support |

Details
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Price: Twin $82.99; Twin XL $95.99; Full $105.99; Queen $125.99
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Comfort level: Medium
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Mattress type: Gel mattresses / gel memory foam
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Thickness options: 5" / 6"
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Twin dimensions (listed): 75" x 39" x 5"
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Cover: Removable zipper cover; non-slip bottom
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Cooling: Cooling gel described; air vents referenced
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Shipping: Mattress-in-a-box; expansion window listed
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 3.6 | Fine for lighter bodies; hips can sink deeper for heavier stomach sleepers |
| Cooling | 3.9 | Better early-night cooling feel than the other thin foam option |
| Pressure Relief | 4.0 | Noticeably easier shoulder/hip settling for side starts |
| Motion Isolation | 4.4 | Very little movement transfer in partner tests |
| Responsiveness | 3.1 | The slowest-turning OUUI model we tested |
| Edge Support | 2.7 | Soft edge under seated weight; outer-third sleep felt unstable |
| Durability | 3.4 | Good short-term consistency; long-term depends heavily on sleeper weight |
| Overall | 3.6 | A comfortable low-profile pick if you accept edge limitations |
OUUI 8 Inch Bamboo Cover Memory Foam Mattress

Our Testing Experience
This is where the lineup started to work as a real primary-bed option. The extra height gave me more cushion before I felt the base, and my lower back stayed calmer when moving between back and side. The bamboo-knit cover also felt smoother than the thinner models and stayed more temperature-neutral after the first hour. Marcus said it was the first all-foam OUUI bed that kept his hips from dipping as much when he woke up on his stomach. Motion stayed well controlled, and while the edge still isn’t hybrid-firm, it didn’t collapse the way the 5-inch beds did.
What we liked
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Most balanced foam feel in the OUUI set
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Better all-night lumbar and hip stability than the 5" models
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Strong motion isolation without feeling overly dead
Who it is best for
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Average-weight back and combo sleepers
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Guest rooms that get frequent use
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People who want foam comfort but need more stability
Where it falls short
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Edge still compresses more than a hybrid
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Not the most responsive feel for restless sleepers
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Heavy edge users may want thicker or hybrid support

Pros & Cons
| Pros | Cons |
|---|---|
| Breathable bamboo knit cover described | Edge support is improved, but not strong like a hybrid |
| Medium feel with better depth than 5" beds | Turning is easier than thin foam, but still not “springy” |
| Gel cooling described | Best for average weights; very heavy sleepers may still want more |

Details
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Price: $129.99 (Twin)
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Comfort level: Medium
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Mattress type: Memory foam
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Thickness options: 5" / 6" / 8" (8" selected)
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Cover: Breathable bamboo knit cover described
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Cooling: Gel-infused cooling technology described
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Shipping: Mattress-in-a-box
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.0 | The first OUUI foam model that held alignment consistently overnight |
| Cooling | 3.8 | More temperature-neutral after an hour; less heat pooling than thin foam |
| Pressure Relief | 4.1 | Good cushion without losing stability through the mid-back/hips |
| Motion Isolation | 4.4 | Low partner disturbance, even with frequent in-and-out |
| Responsiveness | 3.4 | Easier turning than thin foam, but still not quick |
| Edge Support | 3.2 | Acceptable for short sitting; not ideal for constant edge use |
| Durability | 3.7 | Held feel more consistently over repeated use than the 5" beds |
| Overall | 3.8 | The most “primary-bed ready” all-foam OUUI option we tested |
OUUI Medium Cooling Gel Memory Foam Hybrid Mattress

Our Testing Experience
This was the easiest OUUI mattress to live with day to day. Sitting on the edge to tie shoes didn’t cause the same collapse we saw on the foam-only models, and I could sleep closer to the perimeter without feeling like I was sliding off. Turning was noticeably easier, with a more buoyant, steady pushback under the comfort layers. Jenna did notice more movement when Ethan got in late compared with the all-foam beds, but she preferred the stronger edges and easier repositioning.
What we liked
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Strongest edge support and most stable “outer-third” sleep
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Fastest turning and best everyday usability
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Most consistent lumbar/hip support across positions
Who it is best for
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Couples sharing a bed
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Restless sleepers who change positions often
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People who sit on the edge regularly
Where it falls short
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More motion transfer than the foam mattresses
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Slightly firmer contact feel at shoulders/hips for strict side sleepers
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Not the best pick if you want the deepest foam hug

Pros & Cons
| Pros | Cons |
|---|---|
| Hybrid construction; pillow top | Motion isolation is weaker than all-foam |
| Cooling technology and breathable listed | Side sleepers wanting deep plush may find it a touch firm |
| Strong day-to-day handling: edge use and turning | Less “melt-in” contour than foam-only options |

Details
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Price: $149.99
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Mattress type: Hybrid
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Comfort level: Medium
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Mattress thickness: 10"
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Mattress size (selected): Twin; 39" W x 75" L
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Mattress top type: Pillow top
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Foam type: Memory foam
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Cooling technology: Yes; Breathable: Yes
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Mattress in a box: Yes
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Weight capacity: 800 lb
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Warranty: Listed as available (term not specified here)
Review Score
| Metric | Score | Remarks |
|---|---|---|
| Support | 4.2 | Most consistent alignment across back/side shifts |
| Cooling | 4.0 | Best overall temperature stability during longer sessions |
| Pressure Relief | 3.9 | Comfortable, but not as plush at contact points as foam-only beds |
| Motion Isolation | 3.6 | Noticeable partner movement vs. all-foam |
| Responsiveness | 4.2 | Easiest turning; least “stuck” feeling |
| Edge Support | 4.1 | Best OUUI edge by a wide margin |
| Durability | 4.0 | Held feel and support most consistently over repeated use |
| Overall | 4.0 | The strongest all-around OUUI option we tested |
Compare Performance Scores of These Mattresses
| Mattress | Overall Score | Support | Pressure Relief | Cooling | Motion Isolation | Durability | Responsiveness |
|---|---|---|---|---|---|---|---|
| OUUI Kids Removable Cover Cooling Memory Foam | 3.5 | 3.6 | 3.7 | 3.5 | 4.3 | 3.4 | 3.2 |
| OUUI Green Tea Cooling Gel Memory Foam | 3.6 | 3.6 | 4.0 | 3.9 | 4.4 | 3.4 | 3.1 |
| OUUI 8 Inch Bamboo Cover Memory Foam | 3.8 | 4.0 | 4.1 | 3.8 | 4.4 | 3.7 | 3.4 |
| OUUI Cooling Gel Memory Foam Hybrid | 4.0 | 4.2 | 3.9 | 4.0 | 3.6 | 4.0 | 4.2 |
The scores line up with what we felt: the 8-inch bamboo-cover foam is the most balanced all-foam option, while the hybrid leads in support, edge stability, and ease of turning—traits that matter most for day-to-day use. The 5-inch models score well where foam typically excels (motion isolation and gentler cushioning) but give up ground in edge support and overnight stability.
How to Choose an OUUI Mattress
Start with height and how the bed will be used. (see how to choose a mattress) If you need a bunk- or trundle-friendly profile, stick with the 5-inch options. If this is a nightly adult bed, the 8-inch foam or the hybrid is the safer starting point. For lighter sleepers who want a slightly plusher top, the Green Tea Gel model is the comfiest of the thin beds. For average-weight combo sleepers looking for a balanced foam feel, the 8-inch bamboo-cover model was the most consistent. Couples, restless sleepers, and anyone who regularly sits on the edge will usually prefer the hybrid’s stronger perimeter and easier movement.
Limitations to Know
Most OUUI models are intentionally low-profile, and that limits edge strength and deep support—especially for heavier bodies. If you’re a heavier stomach sleeper or you tend to drift to the outer third of the mattress, the 5-inch foam beds can feel too shallow. Even the 8-inch foam option won’t match the hybrid’s perimeter stability if you routinely sit or sleep near the edge. Dr. Adrian Walker’s main point was simple: when a mattress lacks depth, hip drop can show up as morning stiffness for larger frames.
OUUI vs. Similar Budget Options
Why you might choose an OUUI mattress
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You need a low-profile mattress for a trundle, bunk, or daybed
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You want a straightforward medium feel without complicated zoning
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You want a budget option that still feels organized and stable
Other budget options to consider
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A budget hybrid like Linenspa if you want firmer edges at entry-level pricing
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Zinus Green Tea Memory Foam if you prefer a softer, deeper foam contour
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Novilla foam models if you want a more responsive foam feel without going hybrid
Pro Tips for OUUI Mattresses
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Use a supportive base (platform or closely spaced slats) to reduce premature sagging
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If you choose a 5-inch model, treat it like a specialty mattress for a bunk, trundle, or guest room
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Rotate the mattress periodically to help even out early body impressions
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If you sleep hot, pair it with breathable sheets and avoid thick pads that trap heat
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If you sit on the edge daily, choose the hybrid; it handles routine edge use better
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Give the mattress time to fully expand before judging firmness
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In kids’ rooms, a mattress protector adds extra insurance against deeper stains and makes it easier to clean a mattress
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For side sleeping, keep pillow height consistent so your neck isn’t compensating for shoulder sink
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If you’re sensitive to motion, the foam models will typically feel calmer than the hybrid
FAQs
Q1: Which OUUI mattress felt most stable for lower-back alignment?
The hybrid felt the most stable overall, with the 8-inch foam model close behind for average-weight sleepers.
Q2: Which OUUI mattress isolates motion best for light sleepers?
The foam models, especially the Green Tea Gel and the 8-inch bamboo-cover foam, kept partner movement the most contained.
Q3: Which OUUI model is easiest to turn on?
The hybrid, by a noticeable margin—Ethan described it as “turning without thinking about it.”
Q4: Are the 5-inch OUUI mattresses comfortable for adults?
They can be, but they’re most comfortable for lighter adults or occasional-use setups; heavier sleepers typically want the 8-inch or hybrid.