Sleep Number i8 Smart Bed

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Overall

#70 in

Mattress

according to Reddit Icon Reddit

Sentiment score80% positive
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Top Pros

Top Cons

Last updated: May 19, 2026

Reddit Reviews

Reddit IconFarmyardFantastic
Reddit IconillicITparameters
2 months ago

I have the i8 and love it. I regret not getting the adjustable base, though.

Reddit IconOk_Form9917
about 2 months ago

Sleep Number bed changed my life with extreme back pain! I recommend going to the store and trying one out. I purchased the i8 with adjustable base. Zero gravity setting gave me back my life.

Reddit Iconkyzersoze84
6 months ago

7k and worth every penny. Split king sleep number fully adjustable. Haven’t had less pain since my teen years

Reddit Iconwhatdoido8383
2 months ago

Same. We purchased one last year and it's been a game changer. People scoff at their price, and yes they are expensive. $6K+ for a bed seems crazy until you experience good rest. We have a split top and it can auto raise if one of us starts to snore or whatever, and it really does work. I sleep better on a firm bed and my wife sleeps better on a soft bed. We each have our side adjusted how we like it. We went through 3 of the other name brand foam beds over the last 5 years trying to find one we liked. We could just never get comfortable.

Reddit IconMaru_the_Red
10 months ago

My husband just paid the big bucks for a Sleep Number 360 with an adjustable base and it's probably the most comfortable bed I have ever slept on.

Reddit IconToxikfoxx
2 months ago

48, side sleeper. We bought a Sleep Number 360 two years ago and I’ve never slept better. The adjustable firmness, temperature controls, adjustable base. Yes it was expensive, but we’ll never go back to a normal mattress now.

Reddit Iconm155fit
3 months ago

Same, I got mine recently and it feels life changing. I love being able to adjust the firmness based on how much pain I have and that it will automatically adjust to take pressure off my pressure points. I’m not constantly changing positions anymore because I’m uncomfortable. The adjustable frame is so nice to be able to be propped up in bed without a billion pillows and being able to raise my feet when they’re hurting. My hrv and resting heart rate are actually improving since I got the bed. I think I’m getting actual restful sleep for the first time in years. It was certainly an investment but at the time I thought, if i am going to have to stay in bed, a bed was a good investment to make.

Rankings by Use Case

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Best for Hot sleepers

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Best for Long-term durability

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Buyers who view a mattress as a long-term investment and want to purchase one that will maintain its support and comfort for over a decade, prioritizing total cost of ownership over a low initial price.
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Best for Motion isolation for couples

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Best for Natural & organic materials

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Health-conscious individuals or those with chemical sensitivities who want to avoid synthetic foams, chemical off-gassing, and potentially hazardous materials like fiberglass in their sleep environment.
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