Sleepmotion 400i Adjustable Platform Bed Frame
- In-stock
- Finance available
- Free delivery
- Returns
- Brand: The Dreams Workshop
From £849.00
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BedBoy Score
A composite score drawn from aggregated customer sentiment across verified reviews, with construction-type benchmarks for categories where reviewer commentary is limited. See our scoring methodology.
across 4 measured categories
Per-category breakdown below. The composite is the unweighted mean of every scored category, rounded to one decimal place.
- Brand
- The Dreams Workshop
- Retailer
- Dreams
- Delivery time
- Good
- Customer sentiment
- Average
- Guarantee
- Average
About the Sleepmotion 400i Adjustable Platform Bed Frame
Last checked
The Sleepmotion 400i is a motorised adjustable platform rather than a conventional bedstead, with a reinforced base carried on sturdy metal legs and the option to use it freestanding or drop it into a compatible surround. That construction choice is the point. A reinforced platform is a more serious support system than cheaper slatted adjustable frames, giving the moving sections a continuous surface to work from, although it also means this is not a storage bed and will not give the visual softness of a fully upholstered frame unless it is paired with a compatible Dreams surround. The matching 400i headboard sits outside the standard package, so the base itself is doing the functional work rather than arriving as a finished bedroom statement. Longer setup feedback describes two large boxes, colour-coded cable connections and a two-person job when turning the assembled base over, which fits the heavy, mechanism-led build rather than flat-pack furniture territory. The leg sections are described as offering roughly 6in or 9in height options; the taller setting can make the bed feel notably high, while the lower one keeps access more domestic. No drawer cavity sits underneath, and the moving head section also means bedside-table reach changes when raised.
The use-case is strongest where the adjustable positions matter every day: sitting up to read, raising the head for reflux or snoring, adding lumbar lift, or using the knee section rather than piling up pillows. Sleep quality, solid build and the remote control come up repeatedly as praise points, and several buyers describe the frame as heavy in a reassuring way rather than flimsy; that matches the reinforced-platform spec better than a light slatted adjustable base. Mattress pairing needs more care than the sales pitch implies. A flexible compatible mattress is central to the design, yet one detailed complaint says a thick, dense Tempur pairing did not bend cleanly with the frame, leaving gaps when the knee section lifted, while other feedback is happier with Tempur combinations, so the safe reading is that depth and flexibility matter more than brand name alone. The massage feature is the shakier part: criticism centres on noise and limited effect, and the app attracts a reliability complaint where the physical remote is praised more consistently. Warmth is another small caution, with the enclosed platform feel making one sleeper hotter than expected. It suits someone who wants a sturdy adjustable base for reading, reflux management or raised-leg comfort; anyone mainly wanting silent massage, app-led control or storage under the bed should be comparing fixed ottoman frames or a higher-tier adjustable base with clearer mattress-matching guidance.
Pros and Cons
Pros
- Owners appreciate the massage function for alleviating pressure and improving blood circulation.
- Recent buyers found the remote control easy to use with backlit buttons.
- Several customers report significant relief from acid reflux when adjusting the bed's position.
- Elderly users note improved comfort when sleeping and reading or watching TV.
Cons
- Some customers comment that the massage function is noisy and ineffective during use.
- A few users experienced issues with the app failing after a short period.
- Reports indicate that motors on some units can be loud and have limited functionality.
- Several reviews mention compatibility issues with thick mattresses not bending properly with the frame.
Price Tracker
Written by
Monika Sharma, Senior Editor
Last checked by Monika Sharma on . Scoring follows our scoring methodology.
Specifications
Manufacturer specifications without the jargon, easy to scan and compare.
Reader reviews of the Sleepmotion 400i Adjustable Platform Bed Frame
BedBoy publishes reader-submitted reviews to broaden the sentiment sample. Reviewer purchase status is not independently verified at submission. For verified-purchase ratings, see the Trustpilot block below. Submit a review, quoting 253-00052 in the subject line.
Having this has significantly improved my sleep quality. The different adjustable sections and personalized settings have provided much-needed comfort and relief.
Very comfortable and the different vibration motion settings really helpful with my back.
This bed is so easy to put together and is controllable by a remote or an app. App required for our setup which is two singles side by side! Add a tempur firm mattress and hit your partners no snore setting and your marriage is saved! Truly life changing!
After struggling with getting a good night's sleep due to injuries i read about the sleepmotion range. After visiting dreams and discussing my needs with a salesperson and trialling the bed we decided to putchase the sleepmotion 400i. The company kept us up to date with emails regarding delivery, the guys that delivered and set up the bed were first class, quick curteous and professional. With a certain amount of trepidation we tried the bed on the first night and had the best night's sleep in absolute ages, and have continued to sleep completely comfortably since. Cannot fault the bed or the company in any respect, very highly recommended
Perfect position to watch TV , get breakfast in bed or simply sleep. Motor so quiet
I have trouble sleeping and this is the most comfortable bed I have ever slept in. Well worth the price.
I am disabled and have severe arthritis finding getting out of bed particularly difficult. I also have to use 2 pillows under my knees to try to get comfortable in a conventional bed. I decided that it would be a huge benefit for me to have a bed which helps me sit up to help get out of bed and allow me to sleep without pillows under my knees. To say I'm delighted is a huge understatement! I have never had such a comfortable bed allowing me to have the most comfortable and most restful sleep ever. I can't reccomend this bed highly enough. If you have problems getting out of bed or have arthritis in your spine, hips and knees, or you spend a lot of your time in bed please get this bed. I can guarantee you won't be disappointed.
Overall I think this bed frame has been a good purchase for me. I have been wanting to have an adjustable bed for a while and this has been a good choice in terms of the number of positions you can have to get completely comfortable. I am not fully convinced by the massage function yet. It also comes with height extenders for the legs which is a great option if you would prefer the bed to sit a little bit higher than standard.
We bought this bed due to my wife having a bad back and me having asthma. I can honestly say it has had a massive positive impact on our sleeping and helped with our medical problems. I would recommend this to anyone. So easy to use too.
Great purchase! We use 'Zero Gravity' mode (ZG) often, especially after I play sports and feel fatigued and achey. It feels amazing, like you are weightless and it's difficult not to drift off in that position which is meant to be the natural sleeping position. The massage function is quite good but I wouldn't say it's outstanding, although we haven't yet used it properly so it'd be unfair to review it negatively. All in all, a really good buy from Dreams with cover for £99.
Outstanding purchase, i struggle to get out of bed in the morning when i raise the bed its just like stepping out so simple ,and is superb to watch the tv ,with the bed sitting me up,there are times when i just want to lie a lot longer, and i put the massage on its so comforting.the mattress is soft to medium,what a brilliant sleep, you get what you pay for all is pure quality, my only regret is i wished i bought it a long time ago,but you cant turn the clock back.i am a very happy customer and a big thank you to dreams and to the lovely girl in dreams shop in Stirling that had the patience of a saint,to might shure she sold me the perfect bed for myself and my wife,well done.
Excellent! Just changed everything and now get a good nights sleep
A little wary because first time buying an adjustable bed but so pleased we committed and the Sleepmotion 400i plus the mattress chosen is very comfortable. Especially useful when using the bed in the daytime for reading, using a tablet etc. I was able to reconfigure the old bed frame around the new bed and it's moving platform so looks good too. Easy to find a comfortable position with the memory functions. Very pleased.
The bed is fantastic no issues there but I asked for my bed to be disposed of and charged €30 to find they would only take the base. Had I have known this I would have asked the council to take away as they are cheaper and would have taken the mattress too. When I rang the Peterborough office to complain I was told "never mind!" and no email address to make a formal complaint.
Adjustable height but not right for me, high too high, low too low To get in and out of bed.
This bed has made a good nights sleep possible again. I suffer from chronic health conditions and struggled for years to be comfortable enough to sleep in a bed. I can't recommend this bed enough.
I love this bed it has help improve my quality of sleep so much and is having a definite change to my health. Would highly recommend.
Fantastic. Made my lifestyle so much better. Being a senior citizen with health problems my life has been turned around. I can now sleep and relax in complete comfort. 5* for Dreams from me.
Fantastic service , very comfortable bed Excellent value for money too
Absolutely love this bed, so easy to use with the App. So comfortable. Easy to put together too. Probably would be more useful if it had electronic height adjustment too. 2 men that delivered were very helpful too.
Verified retailer reviews
Independent Trustpilot reviews of Dreams.
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