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King Koil is a mattress brand that was founded in 1898. It started selling innerspring mattresses, but over the years has expanded to foam mattresses as well. You can find King Koil mattresses across the globe in local retailers. Some of their mattress models may be advertised under other names than are found below. Overall, they make comfortable mattresses in a variety of price points, but there were some concerns about durability with some models.
Sleepy's Mattress is a wholly owned Mattress Firm brand and mattress in a box offering for a very competitive price. Their offerings include foam, innerspring, and encased coil. With multiple firmness options, they have something for everyone, and even have both an online shopping option. That said, there are some complaints about durability and craftsmanship.
Based on our aggregated reviews and our scoring method, we recommend Sleepys in this match up!
See Our Full Review of Sleepys
With customer data, it is easier to understand if a mattress will work for you. However, there are a lot of other brands out there competing for your attention. Sleepers have had both good and bad things to say about these mattresses. Some report feeling comfy in their new bed, but others report not feeling as good.
Mattress support is very important for keeping things comfortable at night. These mattresses offer an above average level of support in their sleeping surface. It is important for those that aren't getting the proper supportive night sleep they deserve right now. Most customers report that these mattresses do a decent job providing support.
Edge support is the measure of supportiveness along the sides of the mattress. These mattresses offer good edge support overall, but some customers may experience more contouring along the edges.
Bowling Ball & Density Tests
By placing a bowling ball on the mattress, one can figure out mattress firmness. It is also a solid test for understanding evenness of support throughout the mattress surface. Overall, these mattresses provide good even support initially.
These mattresses get mixed feelings from sleepers on their durability. Everyone wants to find the comfy mattress that stays that way for 10 years or more, but unfortunately, not all of them will last as long as you hope. If you are thinking about buying a new mattress that isn't an A+ on durability, double-check the trial and warranty policies to make sure you are comfortable.
Each of us need to read up on what customers are saying before we buy a product worth hundreds or thousands of dollars. That said, it is sometimes more tedious to understand the whole layout after browsing many brands. Based on our examination of sleeper reviews, we've found that customers give these above average marks on overall satisfaction. However, some were not as pleased Read more below on the mattress specifics.
These mattresses are above average in their supportiveness, which is refreshing for those that need a mattress to align the spine. That said, there are some that have described a lack of support for them, so do some extra research to ensure that your choice works with your body.
Edge support is an indicator of how supportive the sides of the mattress are versus the center. These mattresses do well here, but some may exerience some dipping along the sides.
Based on the materials used, mattresses that have good durability will last between 7 - 12 years. Foam mattresses are less durable, while mattresses with springs tend to last longer if they are well made. That said, mattresses that don't have good durability will start sagging much quicker no matter the materials. These mattresses have mixed feelings from customers. Some describe good comfort, but others have had issues with lasting support.
This mattress is comfy! It's not too firm and not too soft. I love it! I was a little nervous before I bought it because the price is so low. Once I went in the store and tested it out, I knew I was going to get my monies worth. Granted I've only had it for about a week now, even my boyfriend has confirmed it's super comfortale. Get it while it's on sale.View More Reviews
I bought the twin mattress and much to my dismay there was about a 4 inch gap between the mattress and my bed frame. After measuring the mattress I realized it was only 36 inches wide, not the standard of 39 inches (despite the website listing it as 39 inches wide). I finally got a hold of the manufacturer and they said that their twins are "intended" to be 38 inches wide but that each one can differ by up to two inches. So you're basically left with a mini-twin. I will be returning this.
It's pretty comfy for the price but honestly I could have gotten cheaper at another matress store, definitely shop around more. It's not very thick and the euro top seems like it will be flattened very easily I give it maybe a year before it starts losing its comfort completely
My first set of guests found this to be very comfortable. I slept in the guest room to try it out and found it very comfortable. I am very pleased with this purchase and will purchase future items.
Nice product at the right price. My child needed a mattress for a new college apartment. We saw many options and even ran into a manufacturers rep at the store who helped us with good advice. As usual, the experience was great
love this mattress very comfortable the never disappoint
Great price and such an amazing mattress. The level of comfort is undeniable. I'm very happy with this product and would recommend it in a heartbeat.
This mattress was purchased for a bedroom that is only used for guests and when child is home from college. The mattress is very comfortable and the price is perfect for this situation. We have had it about a week and my kid loves it, it's 12:20 pm now as I write this review and she is still sleeping.
Buying this mattress was an amazing investment. Such a comfortable bed to sleep on and the service and delivery was very prompt and professional.
Very happy with what I bought slept like a baby. The delivery guys came set it up fast. Very happy with the service.
My husband and I are sleeping so much better since purchasing this mattress. It's not too firm or too soft, so you get support without feeling like you're sleeping on a board.
We love our new Mattress! The comfort and quality is unbelievable and for what we paid for it...we just love it!!
I purchased two of these mattress for my boys, without them being there to try them, and they just love it. They said it's so comfortable that it just conforms to their bodies. Mind you my 15 year old is 262lbs and said the bed is like a giant blanket. So hats off for a great product at a reasonable price...
I recently stayed in a bed in a breakfast in Maine--and loved the mattress I slept on. (I've got neck and shoulder issues to the mattress is often crucial.) I found a similar King Koil mattress and Raymour and Flanigan. The price was right; the delivery was prompt. "For this relief much thanks." Happy with my purchse: feels good!
When choosing a bed we needed a firm mattress with back support for me but yet some cushioning for my husband and the King Koil Perfect Response Elite Lakeside Pillowtop was "the perfect" choice. Very pleased with our decision and we even received next day FREE delivery - very nice!
I love my new mattress -and the service that came with it.
The bed is great. It came when they said it would and the sales person was wonderful in working with our family.
Bought this for my guest bedroom and it was given an A plus By my first guest. She couldn't believe it was a firm mattress. Would highly recommend.
WE NEEDED A FIRM MATTRESS AND THIS IS PERFECT! NOT ONLY IS IT EXACTLY WHAT WE WANTED THE INSTALLATION WAS WONDERFUL. WE NEEDED SLATS FOR SUPPORT AND THE DELIVERING TECHS DID IT ALL WITH NO PROBLEM. SALES PERSON WAS WELL INFORMED AND ANSWERED ALL OF OUR QUESTIONS. FLO L
I have a California King Mattress and it is the best.... I was not sure of down sizing to a Queen Mattress, but I must say that it was the best choice I love the way my body rest and the best part is that my husband and I are know closer....
THE MATTRESS AN BOX SPRING I PURCHASED WAS JUST EXCELLENT. ITS MEETS ALL MY STANDARDS FOR COMFORT .THE SALES PEOPLE WERE JUST GREAT HELPING ME FIND THE RIGHT ONE . I HIGHLY RECOMMEND MY CHOICE.AND THE STORE LOCATION ON CROPSEY AVENUE
It's hard to get out of bed after sleeping on this very comfortable mattress. You look forward to relaxing at the end of the day. I like it very much. Keep in mind, coupled with the box spring, it is very high. Can't go wrong with this one, unless you like it extremely firm. It has the right kind of firm but soft too.
Very happy with our purchase! Bed is comfortable. Not too firm, not too soft. Great quality for a great price!
The mattress is very comfortable. It's the best sleep I've had in a long time. It is a 5 star hotel quality mattress. I'm in love. I must stress that the hubby that works at night and have Insomnia also agreed that his sleep has been much better. Thumb's up.
I absolutely love my new bed. Best experience it's comfortable for my back after I come home from work cause I work 19 hours of the day doing labor and I just needed a new way to sleep. This is one of the most comfortable beds I've ever slept in and I highly recommend it to everyone.
The store was great the product was well priced and it was a convenient purchase. Loved the salesmen [Associate name removed].
This mattress has just enough firmness topped with a pillow top that has just enough softness! The price is perfect and the customer service was out of this world. No one trying to force me to the most expensive products in the store.
I am very much enjoying my new mattress. I was afraid it might be too soft but I'm glad I went with the softer mattress over the more firm mattress. While this is soft, it is still very supportive. This mattress is great quality for a good price.
great mattress sleep like a baby love it so much it is great
Best decision i made for my son he loves his new bed. Raymour and flanigan alway have good quality furniture which last a long time. I know when i shop with them im getting good stuff.
I needed a mattress for my fathers spare bedroom so I had a place to sleep when I visited. I didn't want to spend a lot but I wanted something that was nice and comfortable. This mattress is it! I have slept great when visiting him now and the Sales associate Tom P. in Clifton Park listened to my needs and took care of everything! Thank you Tom!
very comfortable but still with support!! Very happy!!
This mattress was purchased for a guest room and has only been slept on once with a report that is was very comfortable. The salesman was very helpful and polite. The delivery team were very helpful and delivered quite timely
I really like this mattress. It's really comfortable and it feels like I'm sleeping on a cloud.
My old mattress was still in good looking shape, but had outlasted the years I needed an extra firm mattress. My new King Koil plush is so comfortable, I sleep right through the night. Both my husband and I are well pleased with this purchase.
Mattress is unbelievably comfortable. My wife and I love it so much.
So far so good! Great price for the quality. I'll write another review after about a month or so
I am so happy with my purchase. I haven't slept this well in a long time. I definitely Recommend this mattress. The salesman was very knowledgeable and he listened to my needs.
I am very happy with my king coil mattress purchase. In the past I have always bought Sealy's. It is very comfortable and I am happy with it. Also the service at the store and the delivery was very good. I am also very happy with the guarantee on the mattress.
Mattress after the first night of sleep had a indentation in it already. Was or is not as comfortable as I expected.
Purchased Sleepys king size over a month ago. I have never had a more consistent quality sleep. I work a lot and have soreness in my back and legs (not injury pains) and used to only sleep around 5 1/2 - 6 hours a night. I sleep soundly now with the Sleepys mattress. I would recommend this to any and everyone that's looking for a new mattress. First time I've slept past 9am in many years.View More Reviews
I bought this mattress 3 weeks ago and I have Fibromyalgia, arthritis, severe back pain, chronic pain for the last 18 years. Every mattress I had before caused some sort of pain, even with memory foam mattress toppers. I decided to try the Sleepy's Essential 8" Memory foam mattress and I'm so happy I did, I'm SO pleased with this mattress!!! it doesnt make you feel hot and it doesnt sag when you lay down on it; is a firm feel but its very comfortable. The first night I slept on this mattress I slept through the night and that is something I could never so before. My sleep is so much better since I purchased this mattress and I recommend this to any one who suffers from back pain or similar problems that I have. It was worth every cent I paid for it! Thank you so much Mattress Firm!
I purchased this mattress and have been satisfied ever since. I love the feeling of sleeping on a firm mattress with a little cushion so this was perfect. I liked sleeping on the floor as a child because of the firmness, now I have comfort and firmness.
I was surprised when they delivered it how it was compressed , After 2 hours of expanding it was ready to try in the comfort of our own home . It sits a lot lower than on the old matters ( felt like you would fall off a mountain with that one ) So far a delight to sleep on an we picked it out ourselves .
Sleeping so much better. Happy to have a great mattress.
I slept on this for about 2 wk and a half. First 2 wk smelled, so I tried to air it out the first couple of days by taking off the cover/ wash/ keep upright w/ windows open, ventilate etc. After 2wk the smell is alright. I like mine firm, so this one is okay. I prefer slightly more firm but overall this one is alright.
Bought it for my son, he is very happy with it and sleeps well at night.
The price quality and service can't be beat great job Mattress Firm
I brought this for my I Uncle who has mobility issues. After he got use to it, he was able to get in and out without any problem.
I received my bed on Jan. 25th, 2018 and it's just absolutely great.
Is firm firm firm I love it!!! Just like I expected thank you so much
My first night on this amazing mattress. I love my bed.
Bed is soft but does not return to it's original position well. I've been sleeping on one side and after about a week or two there is a noticeable difference in height between the side I sleep on and the other one.
I sleep so well on this mattress and that’s what count. Love this, love love love!
My wife and I live the new mattress and the price was right...thank you
I’m very happy with my new Bed! The pillow top is great balance between plush and firm mattress!!
Just got our bed today and i love it my wife and i both have bad backs and its perfect
This is the best mattress, hands down!! I did a lot of research and took a lot of different quizzes to figure out what kind of mattress works best for me, and this one came out on top. I have back problems and since I got this mattress last week, I haven't been any! It is plush yet firm and oh so comfortable. I also bought a mattress pad that has made sleeping so good. I 100% recommend this mattress to anyone and everyone!
I bought this mattress on 5/14/18 for $249.00 and I hate it! It is as stiff as a board and makes so much noise that even when the dog moves, It rests on a very expensive box spring that has never creaked before. I cannot exchange it without incurring another $100.00 fee. I have a back and neck ache that I did not have before sleeping on this horrible product.
My dad bought this mattress for my younger brother. He is very tall and is very active, he loves it! It's so supportive, not too firm or too soft, and very comfortable! I am surprised at how great the quality is for the price.
This is the first time i have bought this kind a Mattress, I had my doubts since my youngest daughter have one like this, i have two back surgery’s my doctor recommended me a firm mattress and said this is garbage mattress i said let me try it. I can’t be more happy! I got ut with the adjustable base, the best purchase ever. 5 days and 25more to go for. Since it takes 30days for your body to get used to a new bed.
The store clerk said we would not regret it if we went with our first choice on a firmer option. The queen arrived in a skinny rectangular box that we thought was the frame because it was so compact. Amazingly, over the next hour, it transformed from a pancake into a thick and luxurious mattress. We got the protective casing which makes me feel 10x better during everyday use that we will never have a problem with our warranty. So far, the bed is exactly what I wanted. When I go to sleep, I have a tremendous amount of support with enough give to make an indent where my body naturally curves. I'm about 125lb, and my husband is about 225. He says his indents do not as quickly rise when he changes positions, so it takes a minute until his side of the bed fills back in. It's only been a month, but I have confidence we are going to love and keep this bed for many years. I highly recommend the base with the header and footer rise. We always sleep with it flat, but the few minutes in an elevated foot/head position really relieve back tension. Thanks for a high quality product!! The bed is also beautifully stitched. I would come back. The deals at mattress firm are competitive for the quality you receive.
I am sleeping so much better, it is cooler I am not turning as much , I find my self wanting to get in bed n useing the feet n head posture in stead of siting up in frount of the T v in family room get to to work on my I pad ,
We slept on this bed for over two months and it just did not soften up as much as we had hoped, really barely at all. It is a very firm mattress but is still comfortable to sleep on though it just causes back pain for me and my partner. The cooling is great but make sure you have breathable sheets or it will be just as hot as any other bed. If you are looking for a firm memory foam this is great, just dont expect it to get much softer than what you get the first day.
bought this weeks ago and now my son is getting a good nights sleep
I have had this mattress for a few weeks ago and I am glad I went with the Sleepy's cool. It is a bit on the firmer side but this is what I like. For the price you can not go wrong. They had a special and I got a free adjustable frame with my purchase and I could not be more pleased.
I’ve been sleeping on the twin version of this mattress exclusively since it was delivered on 4/23/18. Some background: I had been experiencing a lot of morning mid-back and rib pain on my old mattress, and was not sleeping well. I am a mid-50s insomniac woman. I tried several models in the store, including Tulo and Serta iComfort memory foam, and chose this one due to its thickness, beefy feel and comfort during the 15 minutes or so of testing. Although it felt firmer than my preference, I figured it would be a good option for my back pain, and I decided to give it a try. I did not think to purchase a new foundation (“box spring”) at the time.
I just purchased in store 3 days ago and I love the cool mattress temperature and the fact of it having no springs. It's plush firm like cuddles your body I have a knee injury and in the last 3 days of sleeping on this my knee has felt better.also I don't need a bunch of pillows anymore my back feels great .. I will never go back to springs. This is a great mattress Try it...
I bought this mattress a week ago. I have had Simmons and Serra inter-spring beds up until now. We tried it in the showroom and were hesitant as it was very firm but since it sort of confirmed to our body and the price was right we thought we would give it a try. I can say now that it is taking us a bit to get used to this type of bed but are overall very happy with it and are confident that over time it will soften up a bit. It is a well constructed bd and we are happy with our purchase
I am so pleased with this mattress the best thing I like about it is that it is so solid that you can't feel the next person moving on the bed when they toss and turn or get up or lay down it's very comfortable and just what I needed
I bought this a couple months ago and love it! I sleep through the night!
Have slept in this mattress for 5 nights and was hoping I would get used to the firmness but unfortunately neither my husband or I sleep well in it. My children had a foam mattress and love it so we thought we would give it a try in our new beach condo. They obviously purchased something softer because this is extremely firm. Wake up each morning with a back ache. Going to call about exchanging it.
We exchanged a tulo for this mattress and were very satisfied. My wife sleeps better that she has for years. thank you.
I'm very happy with my purchase, the service and everything was great! I wouldn't trade my mattress for anything, and at unbelievable, affordable price, highly recommend them!
I love my new mattress couldnt be happier only if i could stay in bed longer
We bought our mattress a month ago and it was our best purchase ever. Can't wait to climb in bed every night. No aches or pains ever since our mattress was delivered. We give it a 5 star rating.
I had this mattress for about a month and although I love the feel of the mattress it seems hotter than a normalization
Value was important to us and this mattress was a great purchase.
You wouldn't think it but my old mattress was killing me! After one night of sleep on this mattress my left shoulder and back had no pain. Which hasn't been the case for almost a year. I thought I was just getting old turns out is was my bed! Sleepy's cool mattress me and my wife thank you its been over a month and we can't say enough to thank you for such a great Mattress and for relieving what felt like years of pain. I do have one question for you do you make pillows?
Too early to tell ... so far I like it. No recommendations yet.