Feb 21, 2019 - Sleep Number is different from other foam, latex, or spring mattresses . balancing technology to keep you from sleeping too warm or too cool. . The I8 is one of five mattresses in Sleep Number's Smart Bed Series, which also . They are also a bit smaller—making the P5 and P6 models relatively cheaper. Feb 21, 2019 - The 'p' in 'p6' stands for 'Performance,' pointing to the cooling technology and . Every Sleep Number mattress includes one or two air chambers. which is the way some customers describer the softer models — i8 and i10. Apr 11, 2019 - The c4 has a slightly thicker (3″) gel-infused polyfoam comfort layer. Its firmness range is 'Medium' to 'Firm' (5-7). . Lastly, the p6 has a 5″ polyfoam comfort layer; this model's firmness options range from 'Medium Soft' to 'Medium Firm' (4-6). The Innovation series includes the i7, i8, iLE, and i10 models. Get ratings, pricing, and performance on the Sleep Number i8 bed mattress based on the features you care about. . Or, Sign In. Sleep Number i8 bed mattress. Shop. This queen-size, foam/adjustable-air mattress from Sleep Number measures 12 . is claimed to make you feel cooler in bed, especially with memory foam. Sep 15, 2017 - While the P-6 Sleep Number mattress is close in design to the I-LE limited . compared to the P-6 because it has more material and the cooling . May 23, 2017 - Popularity: The P-5 model is Sleep Number's most popular bed. . Going with the P-5 means you lose out on the built-in cooling technology . P-5, and its sister model the P-6, is designed to relieve pressure in only 5 areas. As one of the most expensive mattresses sold by Sleep Number, the i8 packs . We eat before going to bed, or, even worse, we bring snacks into bed and then hope have bad blood circulation, you know that your hands and feet are often cold. near your budget, you could opt for the cheaper versions, like the p5 or p6. Sleep Like The Dead reviews and rates the Sleep Number (Select Comfort) bed based on . Sleep Number is an air-based mattress or airbed. . By contrast, about 4% of owners overall report their bed sleeping cold, P6, 78% estimate, 400 tw . comfort layer especially for light-weight sleepers. I8, 78% (220), 150 tw The firm solid surface offered by our Integrated Base, a FlexFit™ Smart Adjustable Base or a platform bed is the ideal surface for your Sleep Number mattress. Check out our full review of 4 top Sleep Number beds and find out if they're right for you. . top-of-the-line mattresses with extra memory foam and cooling technology. . The two mattresses in the Performance collection are the p5 and the p6. The i8 and iLE are both 12-inches thick, with a 6-inch layer of memory foam and .