Whether you're a side sleeper, back sleeper, or stomach sleeper, our reviews will guide you to the pillow that best suits your sleeping style and preferences.
1. Mellow Cloud Alignment Pillow

CloudAlignment Pillow by Mellow
A precision-crafted pillow designed for deep, restorative sleep. Dual-core support adapts to your body, while cooling layers keep you comfortable all night.
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The most comfortable pillow I've slept on. Period.
I've gone through a lot of pillows, too soft, too flat, weird shapes, strange materials. Most of them were fine for a week or two, but none of them felt like the one. Until I tried this.
The Mellow Cloud Alignment Pillow gave me that "finally" moment. The kind where you lay your head down and just… don't want to move.
The first thing I noticed? It really does feel like a cloud. The foam is slow-rebound memory foam, when you press into it, it takes a few seconds to rise back up. That slower recovery makes a huge difference. It molds to your head and neck without fighting back, and it doesn't collapse underneath you like hotel pillows that flatten out the second you lie down.
There's a slight dip in the middle that lets your head settle in naturally. And the butterfly wing shape on the sides super thoughtful. I sleep on my side and usually end up with my arm scrunched somewhere. Here, there's actually space for it. Bonus points: some friends who wear earrings to bed mentioned this was the only pillow that didn't press against them awkwardly.
Why Choose a Mellow's Cloud Alignment Pillow?
Here's something I didn't think I'd care about but ended up loving: it has two different heights on each side. One is about 3.5 inches, the other is 4.3. You just flip the pillow to whichever side feels better. Most people (myself included) never really know what pillow height works best until you try a few. This one lets you figure that out without having to buy two pillows.
Support-wise, it's one of the best I've tried. It holds your neck in the right place, you're not sinking in too deep, and your head isn't floating too high either. I've woken up without neck pain every day since switching. It's apparently certified by massage therapists and chiropractors — not surprised.
The cover is another thing worth mentioning. It's cool to the touch when you first lie down (especially nice if you run hot at night), but still really soft and not at all plasticky or stiff. Easy to unzip and toss in the wash, too.
This pillow just checks all the boxes for me:
- Supportive but still soft
- Dual height that's actually useful
- Side-sleeper friendly
- No more sweaty neck or overheating
- Keeps its shape over time, no nightly fluffing or adjusting
If you've tried other memory foam pillows and felt like something was missing, give this one a go. I didn't expect much when I ordered it, but I haven't looked back since.
2. TEMPUR-Cloud Pillow

TEMPUR-Cloud Pillow by Tempur-pedic
A classic foam feel with strong brand recognition. Great if you like sinking in — not ideal if you need support.
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The TEMPUR-Cloud Pillow is soft, but for me, it's almost too soft. While it uses memory foam, the lack of adjustability makes it a tough fit unless you're a stomach sleeper. When I tried it sleeping on my side, my head sank too far, and I woke up with some neck tension.
It has that classic Tempur slow-rebound feel, but in comparison to the Mellow pillow, it compresses too quickly. It's a nice option for hugging or for stomach sleeping, but if you need structure and support, especially around your neck, it may fall short.
3. Cervical Neck Pillow

Cervical Neck Pillow by Elviros
Effective for neck pain relief but may require an adjustment period. Not for those who prefer plush comfort.
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I ordered this pillow for a friend who's been dealing with chronic neck pain. The design is specifically made for people who need therapeutic support rather than just comfort.
It has a contoured shape that cradles your neck and supports the natural curve of your spine. There are two different height options (you can flip it), which is helpful for finding the right fit.
The memory foam is much firmer than typical pillows — this isn't something you sink into. It's designed to hold your head and neck in a specific position, which some people love and others find too rigid.
My friend said it took about a week to get used to, but after that, their morning neck stiffness improved significantly. The butterfly wing design helps with side sleeping, though it's really optimized for back sleepers.
If you're dealing with neck issues and are willing to trade some immediate comfort for potential pain relief, this could be worth trying. Just know that it feels very different from a standard pillow.
4. Casper Sleep Pillow

Casper Sleep Pillow by Casper
Good balance of support and softness but less customizable than newer tech-driven pillows.
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Customers find the pillow luxurious and well-made, with good support for back and side sleeping positions.
However, the comfort level receives mixed feedback - while some find it comfortably soft, others say it's not as comfortable as expected. Moreover, the size and value for money also get mixed reviews, with some finding it perfectly sized while others consider it too big, and while some say it's worth the price, others are disappointed with the cost. Additionally, customers report that the pillow goes flat over time.
5. Coop Eden Pillow

Coop Eden Pillow by Home Goods
Customizable and supportive — but can break down over time and needs fluffing.
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The Coop Home Goods Eden pillow is all about customization. It comes filled with shredded memory foam and bamboo-derived fiber, and you can add or remove filling to get exactly the height and firmness you want.
The adjustment process is a bit messy — you unzip the inner liner and either add or remove handfuls of foam. It took me a few tries to get it right, but once I did, it was pretty comfortable.
The shredded foam design means it breathes better than solid memory foam, so it stays cooler. The bamboo cover is soft and machine washable, which is convenient.
Where it falls short for me is consistency. The shredded filling can shift around, so sometimes I wake up and it feels different than when I went to bed. Some people don't mind this, but I prefer the reliability of a solid foam pillow.
It's a good option if you want full control over your pillow's feel, especially if you and your partner have very different preferences — you could even adjust each side differently.
6. Zoey Curve Side Sleeper

Zoey Curve Side Sleeper Pillow by Zoey sleep
A smart pick for side sleepers — but limited versatility across sleep styles.
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Customers find the pillow comfortable, soft to feel, and appreciate its shape, particularly its curved design that's perfect for side sleepers. The pillow provides good support, with customers noting it's firm enough for needed neck and shoulder support, and they report sleeping well with it until their alarm goes off. They can adjust the stuffing to their personal taste, and many consider it well worth the money.
However, opinions about neck pain relief are mixed - while some report no more neck pain, others say it doesn't relieve their discomfort.
7. Gel Pillow by Beckham

Gel Pillow by Beckham hotel collection
Budget-friendly but short-lived. Great for guest rooms or backup use.
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Customers find these pillows comfortable, not too soft or firm, and particularly suitable for stomach and side sleepers, cradling heads well for these positions. Moreover, they appreciate the quality materials and consider them worth the price, with one customer noting they're better than memory foam alternatives.
However, the support receives mixed feedback - while some say they support neck and head well, others report inadequate neck support. Additionally, the pillows tend to flatten during use.
8. Snuggle-pedic Adjustable Memory Foam

Adjustable Memory Foam Pillow by Snuggle-pedic
A greener option with decent adjustability but not the most refined sleep experience.
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Customers find the pillow comfortable with its soft shredded foam filling and appreciate its quality, noting it's better than standard pillows and guaranteed to last 20 years. They report improved sleep quality, particularly for back sleepers, and experience reduced neck pain and migraines.
9. Purple Harmony Pillow

Purple Harmony Pillow
A unique gel grid design that promises cooling comfort, but the feel might not be for everyone.
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The Purple Harmony pillow uses the same gel grid technology as their mattresses. The idea is that the grid structure provides support while allowing air to flow through for cooling.
Cooling-wise, it definitely delivers. The gel grid stays noticeably cooler than memory foam, and the open structure means good airflow. If you're a hot sleeper, this aspect is impressive.
The challenge is the feel. It's unlike any other pillow — not soft like down, not contouring like memory foam. It has this bouncy, almost rubbery support that some people love and others find weird.
The gel grid is surrounded by a layer of latex, which adds some softness, but the overall feel is still quite firm and springy. It didn't provide the cradling comfort I was looking for.
It's well-made and the cooling is genuinely impressive, but the unique feel means it's not going to work for everyone. If you have a Purple mattress and like that feel, you might enjoy this pillow too.
Final Thoughts: Why I Chose Mellow
After testing all of these pillows, the Mellow Cloud Alignment Pillow stood out for its perfect mix of comfort, adjustability, and support. It didn't flatten out over time, and I didn't have to spend days figuring out the right setup.
It just worked, night one.
Key Takeaways:
- Dual height gives instant loft options without hassle
- Memory foam cradles the neck and head without collapsing
- Cooling cover feels great and is easy to clean
- Thoughtful ergonomic details like side arm support and earring-friendly zones
- Recommended by professionals but feels like luxury
If you've tried multiple pillows and still wake up uncomfortable, the Mellow pillow is worth a shot. It finally gave me the sleep I didn't know I was missing.