Are your couch cushions attached like mine? If you want to fix your sagging couch with attached cushions, here’s a simple tip to help. Fix your couch cushions in under five minutes with this easy, simple decorating tip.
Looking for some other easy tips? Here’s how to make your windows appear larger and how to add color to your house without commitment and this simple tip to maximize your rug budget.
What can I stuff my couch cushions with?
Foam wrapped with batting is one of the most popular couch stuffing to use. Other popular materials include feathers, batting without foam and polyester stuffing. If you have a detached cushion, you can remove it, unzip the cushion and remove the old stuffing. Cut a piece of foam to size and wrap it with batting to soften the edges. Place the foam and the batting back inside the cushion, zip the edges and place it back on the couch.
What type of foam is best for your couch cushions?
The best couch cushion stuffing is polyurethane foam. It is an affordable option and provides a sturdy base for the cushion.
Where can you buy foam for seat cushions?
Many online retailers sell foam in different sizes and densities. In addition, basic sizes of foam can be purchased through a local fabric or craft store. Unusual sizes or thicker foam densities typically need to be purchased from a specialty shop.
How can I make my cushions firmer?
The easiest way to make cushions firmer is to replace the existing foam. The denser the foam, the sturdier the cushions will be. To soften the foam slightly, wrap with batting and netting.
A while ago I wrote a post entitled “Five Decorating Mistakes I Wish I Hadn’t Made.”
The #2 mistake on the list was that I wish I had purchased sofas with removable back cushions instead of cushions that are attached.
Why?
Because cushions that are attached to the back of the sofa sag. Sag and sag and saaaaaaaaggggggg. Sag like the Suntan pantyhose my mother used to make me wear in seventh grade.
They don’t tell you about the sagging at the store and you don’t even notice it until you’ve had the sofas about a month and you go to fluff the back cushions and realize saggy cushions are now a thing in your living room.
Until now.
This is the best tip I never thought of.
A reader sent it to me and I thanked her and told her she was brilliant and sent her seventy-two exclamation points and then decided to share it with all of you.
Here’s how to fix sagging couch cushions in the easiest, simplest way you can imagine.
Let’s start with a close-up so you can see what I am working with here.
Super slumperama.
Slimptimity.
Slumpity.
Slumper.
Slump.
Emily Post would tell it to straighten its shoulders.
But it can’t.
Why? It’s attached to the back. And when you try to push it up, the cushion stays for a moment and then when your back is turned or someone sits on the couch to eat Captain Crunch or put their stinky socks over the edge, whenever they get up it slumps back in place. But here’s the thing. There’s a secret fix to all that slumping. Something I never even knew was there.
Something wonderful and incredible and amazing that fixed the problem in two shakes of a lamb’s tale.
A hidden zipper. A zipper. I know…right? I’m as surprised as you are. There’s a hidden zipper at the bottom of the cushion that has been escaping my notice for four years. It’s tucked way back inside and you have to awkwardly lift up the cushion to find it, but it’s there.
How to fix sagging couch cushions that are attached
- Reach under the bottom of the cushion where it attaches to the couch
- Find the hidden zipper
- Unzip the hidden zipper of the cushion
- Remove the foam
- If the foam is wrapped in batting, remove the batting and the netting as well
- Replace the foam with a high-density foam
- Re-wrap if needed
- Reinsert the foam and batting into the cushion
- Zip up cushion
How to fix sagging couch cushions that are unattached
- Remove the cushion from the couch
- Unzip the side of the cushion
- Remove the foam
- If the foam is wrapped in batting, remove the batting and the netting as well
- Replace the foam with a high-density foam
- Re-wrap if needed
- Reinsert the foam and batting into the cushion
- Zip up and place on couch
How to fix sagging couch cushions that are attached without replacing foam
- Reach under the bottom of the cushion where it attaches to the couch
- Find the hidden zipper
- Unzip the hidden zipper of the cushion
- Remove the foam
- Rewrap the foam with polyfill
- The more polyfill you use, the sturdier the cushion will be
- Reinsert the foam and batting into the cushion
- Zip up cushion
Here’s a little before and after.
Now it looks like this.
Can you believe the difference? A picture is worth a thousand words. Especially when they are unslumpy. Now my couch is fluffed and stuffed and ready for stinky socks and Captain Crunch.
All because of a zipper.
I’d love to hear your couch stuffing tips, too.
What a clever idea! After reading this post, I wandered over to the sofa....and oh gee....I have the dreaded slimpty slump, too! GAH! Well....the good news is that now I know how to give it a fix. So if ...down the road....you see a blog post titled "How Karianne Fixed My Slimpty Slump".......you'll know what that's all about. LOL.....Happy Day!! Susie from The Chelsea Project
Having reupholstered furniture for 28 years knowing what is inside the cushions, I would always recommend buttons to be placed in the back cushions. What happens is the pressure from our backs pulls the fabric down and pulling the dacron wrap away from the foam insert. You can keep adding more and more dacron, but your battle will continue. Buttons can be added next time you add more. They don't have to be pulled tight just enough to make a little dimple. I would add 3 across the top and 1 just below between each. Example, . . . . . Take the buttons thru the other side as well. 5 in the front, and 5 in the back. That should do it. Best of luck. Never buy loose pillows on the sofa or chairs back. Sags every time!
!!!!!!!!!!!!!!!!!!!!!!!!!! LIFE CHANGING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Genius!!! I have loose, slumpity pillows and they will have a lift, too!!! Maybe then the falling forward when you sit will end!! Ready for them to stand and be proud!!!!!!!!!!!!!!!!!!!!!!!!! Pass forward the thanks and exclamation points, friend!!!!!!!!!!!!!!!!!!!!!!!!
AWESOME. I wish I had thought of this. So simple, and yet it never occurred to me. I'm praying my cushions have a zipper, too! Thanks for sharing this great idea!
Love it!!!!!!!!!!!!!!!!!!! Thanks!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! :)
Houston, I have a zipper!!!! This is major!!!!!!!!
I really like the idea of attached cushions because I have two ginormous football/baseball playing grandsons who love to take the cushions off the couch and then contort them in all kinds of weird shapes to get comfortable with them on the floor in front of the TV. Talk about sagging misshapen cushions! I'm going to suggest to their mom and dad their next couch be one with attached cushions and then share the hidden-zipper-so-you-can-restuff-them brilliancy!!!!
Wonderful idea!!!!!!!....I even do it to my loose pillow backs to make them "sit up straight". Only wish I had a zipper on me to re-arrange my stuffing .....lol.
Bam! hahaha
This is such a great idea! I just found the zippers on my sofa cushions! Yahooo! Thanks for sharing!
Good morning KariAnne, This post today is too funny as we had company over last night and we dealt with our lumpy couch cushions just yesterday. I dislike them very much...is "hate" too strong of a word? You are right about "attached" back cushions! I knew about the zippers and we even turned our couch on its back to shove the batting up in them better...but as soon as Reuben sits on top of them, we're back to saggy again... *sigh* I took the seat cushions out and "straightened" them too. It's hard getting the slipcover back on the cushion...sort of like trying to get in or out a wet swim suit...but after you have the slipcover off, if you'll use a big black trash bag, just flat and not unfolded and loop it around the cushion from front to back, you can slide the cushion back in the slipcover and then pull one end of trash bag and it just slides right out... It's way easier to maneuver the cushion back in place... Just between you and me...I'm still praying for a new couch! Blessings, Jeanne
Ok I seriously just got up and hightailed it into my family room searching for a zipper!!! I have been disliking our couch for a year as all the stuffing fell down and a ridiculous amount of empty fabric sits at the top. I thought it was a lost cause!! I wish I could send a before and after! My husband will love you for this! Haha! Thank you!
STRAIGHTEN UP!!!
I have the same issue...I'm going out right now to the living room and fixing it! Thanks!
There will be absolutely no slumping at Thistlewood Farm...EVER!!!!!!!!!!!!!
Great idea. Mine aren't attached but they all need fluffing at some point. The only thing good about not attached cushions is when you have company you can make the couch wider for someone to sleep on it. Good to know for sure.
Thank goodness I don't have this problem but for those who suffer through the slouch, you have rocked their world. I'm more interested in those gorgeous chairs in your family room. My eyes zoomed in on their beauty. I then noticed they aren't matchy matchy and the love crush came upon me. Thanks for sharing, I love your blog. Are you in the Big "D" area?
Marsha, One of those chairs almost came from the trash and it was free and the other was $10 at a yard sale. :) I'm originally from Dallas, but we live in Kentucky now! Happy day friend! karianne
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!FANTASTIC!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
WHAAAAAAAAAAT???? Thank you!!! I hate my slouchy couchies.
World peace is just around the corner! You are a nut! Bottom line, never, ever, ever buy a sofa with attached cushions.
Oh my gosh!!! I have zippers too!!!! Who knew!!!! I am seriously, and disturbingly , beyond excited!!!! I will be grabbing a bag of fluff from the store this week!! Yay!!!!!
Fantastic...makes me wish I had a couch like that!!!!!!!!!!!!!!!!!!!!!!!!!
That's a great idea--I don't have that style of couch, but I can see how helpful it would be for people who do. On another topic--I don't think I noticed your rug before--gorgeous! I confess to a weakness for paisley anything.
I just read your comment and had to scroll up. I never noted the rug before either and love it! I have a thing for paisley ( done right ). I think it's because my mom wore paisley blouses so it's a feel good design
It looks so much better. It's amazing what a little stuffing can do. Nancy
I feel the same way. My back cushions sag after use. They are down filled and I guess one should like that lived in look but I don't. So every night, I beat the down into place starting at the bottom and pushing upwards. They do have a zipper and at times I re-arrange the down to fill the corners. Your readers are on the ball, Kari Anne.
We have the big sectional from Ikea, and all 11 cushions are removable. Within the past 6 months, I realized that after 9 years, our cushions were experiencing major sag. I ended up using 2 10 lb. boxes of poly-fil to rejuvenate them! When I finished, they were so perky that we nearly slid off the couch! Congratulations on your newfound fluffiness, and may it provide you with hours of comfy enjoyment!
I laughed when I read your post - a zipper...really? I was certain my $350 couch did NOT have a magic zipper...well, what do you know??? A zipper!! Ha! Too funny. Thanks!
I actually did that years ago, but when the extra stuffing started to move and I wished I had feather cushions I could fluff, like my friend's sofa, I had a brainstorm. I put feather pillows in place of the extra batting, and viola! Feather fluffy cushions! I too learned to never buy attached cushions again. And can I just add, that most of us could NEVER photograph that part of our couch. That attached part if also a dust, hair, crumb total disgustingness catcher that we forget to clean, and it would never clean up well enough for a close up. I don't know how you keep your house photo worthy with kids and pets.
Bonjour ! I'm going to ruin all this. Forget the couch ! I can't believe a family is living there. Your place is so white and clean. Nothing is lying around. It's so pretty. How can you even let them get close to such a pretty place and ruin everything ?! That's all I had to say ... (!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!)
GREAT IDEA!!!! I will be doing this to my one large side chair in my family room. Now my seat cushions of the sofa could use some help. I thought about doing this but don't want a stiff result. Sofa is in very good condition - a chenille fabric which I had a pro upholstery person tell me chenille has a tendency to crush the insides too quickly - stay away from. I have opened them up before and worked at re-adjusting the insides with not much success. I'm hoping this reader or another may have a solution. Please help.
Years ago I bought a mattress pad on sale - those 1 1/2 - 2" foam pads that you put on top your mattress to make it more comfortable, and I had to cut it down so it didn't hang over the edges of the bed. Not wanting to toss the 1- 1/2 ft excess I used it for seat padding stuffing for chairs and it worked great! Don't get the memory foam kind, just the regular kind. A twin size pad on sale can be pretty inexpensive to chop up and use. Much cheaper than foam and easier to handle. You can create layers of them if you choose to or just add a layer on top of the existing cushion you already have. They also work great for window seat pads, pet beds, etc. It might be the smooth and sturdy stuffing that won't shift or deflate that you are looking for. Another idea that may sound crazy, but old blankets can work for stuffing as well.
Thanks!
!!!!!!!! I am so happy I read this post. Best information ever. My little Malti-poo Bailee sits on the top of the cushions all of the time. Need I tell you how my cushions looked. They are beautiful now and Bailee is ever so comfortable. Thanks to you and the wonderful person who shared the information with you !!!!!!!!! Who knew. Thanks again!!!!!!
What a great tip, can't believe I never thought of it myself!! I have a couch with removable back cushions I bought from Lazy Boy store about 15 years ago and its held up great, but I would love a new one! Cushions are getting a little saggy, will definitely try this trick!
A miracle! But please tell me that your living room doesn't look like this every day. Amalia xo
Great idea. And who knew there were zippers back there? I'm going to see if my couch has zippers there as well. BUT I have serious doubts that I can de-slump my attached back cushions on my couch, seeing that my four dogs (two small and two large) all take turns laying up there. So my cushions are way more slumpy (slumpier?) than your cushions.
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!HAPPY DANCE!!!!!!!!!!!!!!!!!!!!!!!!!!!
My couch & loveseat must be related to yours! I had a super helpful guy from the furniture store who brought me an ENORMOUS BOX full of stuffing, he added what seemed like tons and now my couch and loveseat are happy too! (Your house looks amazing, LOVE that family be a blessing reminder sign!)
That is amazing!!!! Oh but I wish that's as slouchy as my cushions were. My dog who thinks he's a cat insists on sleeping on the top of the cushions. I don't think my cushions have a prayer. They're about as wide as they are tall at this point. It's a good thing the dog is so cute....
When I read this, I think the heavens parted...I heard trumpets sound triumphantly and the hallelujah choir sung their hearts out...then I raced to find "the zipper" and there it was! My voice was one with the hallelujah choir! This tip is utter and complete AMAZEBALLS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! (Yep...that's 72 exclamation points right there...I counted...and this idea is worth every single one of them and MORE...please pass them on to your brilliant reader!)
When my baby outgrew his crib bumpers i shoved them in the couch cushions and poof instantly firm cushions again. I also bought a bag of $3.99 Hobby Lobby stuffing and shoved that in also. Brought our 8 year old couch cushion right back!
It can be difficult to find sofas that have loose backs ! MY repeating problem are 2 cocker spaniels that really think it is cozy and comfy up there and have a great view of the neighbourhood dogs as they parade by !
OOOOOMMMMMMGGGGG!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Please thank your wonderful reader for me too!!!!!!!!!!!! I did not know I had zippers either. I had been irritated at myself for letting the saleswoman convince me that attached cushions were better than loose when I knew better. Now I can forgive myself and the saleswoman ;)
We had a chair that did that once and I stuffed a whole pillow inside. Worked like a charm! You really had me laughing at the slippity slumpity!! By the way, we bought a new couch in the past year and when the cushions started slippity slumping in a week, I made them take it back.
YESSSSSSSSSSS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
This must be a miracle!!!!! I have zippers on my slumpity cushions too. Who knew?? Our cat is always laying on them, and I thought slumpy was the way it was going to be forever. Thank you from the bottom of my heart for posting this. I am sending you 72 exclamation points .. You are the BEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
When we moved last summer, we bought two couches for the new living room. Almost immediately, I knew I had made a mistake in buying back cushions that were attached. When I complained to my sales lady, she told me the pillows had zippers. They do, but I will NEVER buy attached pillows again. Because the couches were expensive, I am stuck with them, probably for life since I will soon be 70!
Love to make that sign In hours home let love abide & All those who stop inside. Love it. Please tell me the price????
Jean, I got the sign in partnership with Kirkland's! Here's the link: https://www.kirklands.com/product/Art-Wall-Decor/Art/Wood-Art/In-Our-Home-Barnwood-Plaque/pc/2283/c/2293/sc/2670/197579.uts And it's on sale! Happy day friend! karianne
Amazingly wonderful post, KariAnne!!!!!!!!!!!!!!!!!!!! I have a couch like that in our upstairs sitting room. good to know! Big hug to you!
Who knew??? My couch has cushions attached on the bottom. You know, the ones with the cushion and then the shallow cushion topper on top of that? After awhile the topper part is hanging over the edge looking like it has it's tongue stuck out to every passer by. Any tips on how to fix that? Love, love you blog!!!!
!!!!!!!!!!! Thank You, Thank You, Thank You!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Pure genius!!! Thank you! Thank you! I just got up from the computer to look at mine…and lo and behold! Please hug and thank your astute reader! I made this decorating mistake….love the couch, thankfully but not the sagging!!!!!!!!!!!
Brilliant.
WHO KNEW, seriously, WHO KNEW ? ......... I THINK YOU WOMEN ARE JUST BRILLANT! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Be Careful What You Wish For -- does that sound ominous?? Well, in a way it is. You wanted unattached cushions. Let me tell you what happens. They slip and slide. Uh Huh!! You are sitting comfortably eating your popcorn watching Indiana smear Kentucky :-) and all at once you notice you are horizontal. Well, by golly you started off in a sitting position but now your cushions are going every which way. NOPE!! You want your cushions attached so when you jump out of your chair for that big play then sit down in satisfaction that the play was executed those cushions are still there when you sit down. Now, for my other sofa, I'll have to go check it out for zippers. Great tip!!!
I have loose back cushions and they're in good shape but my seat cushions sag like I'm still sitting in them long after I've left the room. So for years now I've been stuffing them with extra polyfill. Sometimes it will look a little lumpy but will flatten out after a bit of sitting. I've been sharing this tip with friends, relatives, people on the elliptical next to me at the gym, the lady stuck behind me at the grocery store, total strangers on facebook.... but you've really spread the word now so I don't have too. No need to run when you see me coming anymore
WOW !!!!!!!!!!!!!!
My new sofa and chair both have attached cushions!!! My last sofa and chair had UNattached cushions. Those were no picnic either. I was constantly pulling them off the sofa pounding, stomping and otherwise beating them into submission. They looked lovely when I put them back on the sofa.....until the next person sat on them. I thought the attached cushions would solve the problem. Apparently not! Sigh! My new furniture has zippers on the bottom of the cushions. My next sofa might be a tufted back. Problem solved!
Who knew? This is truly an epic discovery!!! lol. Honestly I would have never known there was a zipper there. I am currently sofa shopping so I will definitely keep this in mind. Thank you...and thanks to your lovely reader. <3
Thank you!!!!!!!! I have zippers too! On the weekend, I'm off to get some stuffing. However, I do have a down duvet that is ready for the bin that might do the trick. No more slumps cushions for me.
First of all, your couches talk - although it's a tad eerie. They keep whispering "stay, stayyy, we are as comfy as we look, you know you wanna try us, try ussss". Secondly, you've seen our couch, all pillows (back and seat) are removable. The slump, too. All the time. I think your reader's tip would work with my removable ones as well. :) Sending her many !!!!!!!!!!!!!!!!!!!!!!!!!!
KariAnne, I have had several different types of sofas, including a love seat with irritatingly saggy semi-attached back cushions. It was purchased once upon a time, to keep my daughter's one-time boyfriend from sitting on my cream colored sofa. (The sofa whose price had been equivalent to a small car, but which I got for a song when the store went out of business. Woo-hoo!) My technique for fluffing the saggy cushions on the love seat (not the sofa) turned out to be a few good whacks with a baseball bat. That works too. And it's cathartic if/when the boyfriends begin hanging around. Lol!
Life changing, earth shattering!!! Mine have zippers too!!! Thank You!!
I'm off to look for zippers!!!!!!!!!! Well, you get it. Jane
I'm going zipper hunting as soon as I get home!! That's brilliant!!!!!
THIS... this is the reason I just love coming over....altho you have a lot of sponsored posts, you throw in a good ole down to earth post ever so often that we all can learn from and enjoy it.....thanks for this tip. I gotta go look at my new sofa cushions and see if there's a hidden zipper. How is your sister.? I think of her often...she's so cute.
Just finished making not one but two cakes for my boys birthday celebration tomorrow. Had to check my couch before I got in bed. After 13 years of hating my cushions I found the zipper. Wish I knew this years ago.
I could have written this post for you. I just discovered the zipper on our leather chair cushion, AMAZING!
As soon as I type this, I am going right over to my sofa that my little love, Leo, our 12.5 lb dog loves to lay on. His weight on the top of the cushion causes my sofa to slump. I am going to look for that zipper (I hope it is there!!) and then this week I will fix the slump. Thanks for a great post!
The zipper was a great surprise . Our old couches had the slumpies, too. We re-stuffed them and managed to use them for another year. . Thank you for sharing at the Thursday favorite Things blog hop. Watch cor your feature tommorow. xo
oops type o... :-(
I had this same problem because my dogs love to lay on the tope of the couch. I fluffed, they slumped. I took it to the next level and bought some thick foam when it was on sale at JoAnn Fabrics. I got enough to fit all three pillow backs. I cut them to fit. Took the stuffing out and shoved the foam in. I put most of the fluff back in and they have stayed pretty much perfect except for the one the dogs really like. That just needs readjustment! Good luck!
!!!!!!!!!!!!!!!!! Whoa, No Way!!!!!!!!!!!!! And ....... thank You!!!!!!!!!!!!!!!!!!!!!
Oh my gosh I have the same exact couch!!! I never knew there was a zipper either!! Life changing!! Thanks!!❤
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!AMAZING!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The struggle is real and this is GENIUS (and awfully obvious once we all really think about it)!
I featured your post on Thursday Favorite Things!
I've actually tried spreading the stuffing again evenly through the cushion but that doesn't work. Next time, I'll just get more stuffing! These are great pics and lovely living room! Thanks for the tip!
Thank you so much for sharing. I had to look hard but I found it and it works perfectly
Well then! Yes, there is a zipper. We'll have to try this. One of my biggest pet peeves with our couches like this is that they RIP from the top. I've sewn it up with embroidery floss twice now and once again, torn. I won't ever buy this kind of couch again. Not with a house full of kids.
My son will hear about your post this evening. He "inherited" my mother's living room furniture which had never been sat upon about 2 years ago. His pug, "the Quibster", immediately claimed the back of the couch as her perch. (We think she is part parrott. ) He finally gave up running her off the couch since he can't be home 24/7 to police the couch. He will be thrilled (if the cushions have zippers ). Thanks for the post! !!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!.........
First of all, this will change the lifespan of my hand-me-down Ethan Allen custom sofa!!! THANK YOU!!! Second, I am now obsessed with that rug- where did you find it?! I need it in my life...
You single-handedly saved my couch!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Hilarious post too. =) Jeanine
OH.MY.HECK!!!!!!!!!!!!!! GAME CHANGER!!!!!!!!!!!!!!!!! THANK YOU!!!!!!!!!!!!!!!!!!!!!!!!!!
OH!!! Woah! I came across this post on Pintrest today and I have thoes exact couches! Thoes exact ones... well I think your's my be the love seats and mine is the larger sofa but none the less they are the same. Then I look over and low and behold you are a KariAnne too!! WHAT!! Same name, same couches, same hair color... I just had to comment. Carianne :-) Have a lovely day
Trust me, this is not an issue limited to attached sofa cushions. Mine are note attached, and they look the same as your before. I am going to try your extra stuffing trick and see if that helps.
Even better than just adding stuffing, occasionally take out the entire fiber-wrapped foam insert (carefully). Flip it over and swap the side of the sofa it is on (just flip the middle cushion). I like to lay mine flat on the floor for a little bit to let it flatten out. Make sure the stuffing is in place, and carefully insert the cushions back into the covers. Your sofa will look new. This keeps the sides wearing evenly, and you won't have to keep adding as much stuffing. I do the same thing with the bottom cushions, and wash the covers on the gentle cycle as well. Dry on a low heat, flip and swap the inserts and you won't believe how great your furniture will look. Your reader who had the small overhanging cushion should also be able to unzip and flip her cushion. I'd flip it front to back as well as side to side if possible. I grew up in a furniture store, so I thought everybody knew about the zippers on furniture until I got older :) I remove and flip our inserts every year or two because our cat likes to sleep up there. I spot test and vacuum it really well when the inserts are removed. When I want new furniture, I have always been able to resell our old furniture because it still looks so good and the $ goes toward the new things!
WOW...who knew?! Love this tip because we have a few pillows on our sofa that need some fluffing!