{"product_id":"siena-8-full-mattress-with-adjustable-base-medium-firm-comfort","title":"Siena 8 Full Mattress with Adjustable Base - Medium Firm Comfort","description":"\u003cp\u003eOur review of the Siena 8 Full Mattress with Adjustable Base finds it best for sleepers who want the versatility of head and foot incline combined with pressure-relieving foam that still feels supportive. The single biggest reason to consider this set is the adjustable comfort system paired with a medium-firm gel memory foam core that balances spinal support and pressure relief; it works well for back sleepers and couples using a split configuration. Assembly and trial terms make it an easy risk-managed upgrade for anyone replacing an older mattress.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable comfort:\u003c\/strong\u003e Independent head and foot elevation lets sleepers create specific positions for reading, watching TV, or easing reflux and snoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedium firm feel:\u003c\/strong\u003e The mattress layer set is designed to offer a blend of responsiveness and pressure relief that supports spinal alignment for many body types.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless remote with memory:\u003c\/strong\u003e The included remote stores custom positions so couples can recall preferred settings without fuss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero clearance frame:\u003c\/strong\u003e A low-profile metal frame fits on a platform or the floor and keeps mechanics contained, while supporting up to 850 lbs distributed across sections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e180-night home trial and warranty:\u003c\/strong\u003e The mattress itself includes a 180-night trial and a 10 year manufacturer warranty for peace of mind; the adjustable base carries a 2 year warranty.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour comfort layers:\u003c\/strong\u003e Multiple foam layers, including a gel memory layer, aim to reduce motion transfer and relieve pressure for sleepers who share a bed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe Siena 8 Full Mattress with Adjustable Base is ideal for couples who want independent side adjustments when configured as a split king, people who need head and foot elevation for health or comfort reasons, and anyone seeking a medium-firm foam mattress that reduces pressure points. It also suits buyers who prefer minimal setup since the base needs no tools and the mattress expands in place.\u003c\/p\u003e\u003cp\u003eIt is less well suited for those who prefer an ultra-plush or very firm innerspring feel, or shoppers who require advanced smart-home integrations beyond a simple wireless remote. Also, sleepers who want a mattress with a long, separate warranty on the base should note the base has a two year warranty only.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdjustable head and foot incline customizes comfort for sleep and daytime activities.\u003c\/li\u003e\n\u003cli\u003eMedium firm gel memory foam offers a supportive balance and reduces motion transfer.\u003c\/li\u003e\n\u003cli\u003eZero clearance metal frame fits existing platform beds and supports heavy distributed loads.\u003c\/li\u003e\n\u003cli\u003eStrong value with a 180-night mattress trial and a 10 year mattress warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSome shoppers report the mattress firmness feels slightly softer than expected, so firmness is mixed across users.\u003c\/li\u003e\n\u003cli\u003eThe adjustable base warranty is limited to two years, shorter than the mattress warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct\u003c\/td\u003e\n\u003ctd\u003eSiena 8 Full Mattress with Adjustable Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComfort level\u003c\/td\u003e\n\u003ctd\u003eMedium firm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport layers\u003c\/td\u003e\n\u003ctd\u003eFour layers including gel memory foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustability\u003c\/td\u003e\n\u003ctd\u003eIndependent head and foot incline; Split King option available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrial \u0026amp; warranty\u003c\/td\u003e\n\u003ctd\u003e180-night mattress trial; 10 year mattress warranty; 2 year base warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame type\u003c\/td\u003e\n\u003ctd\u003eZero clearance metal frame, holds up to 850 lbs distributed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Siena 8 Full Mattress with Adjustable Base is a strong choice for sleepers who want adjustable head and foot positions plus a medium-firm gel memory foam feel that balances support and pressure relief. With an easy assembly, a lengthy mattress trial, and a solid warranty, it delivers good value for buyers replacing a conventional mattress or seeking personalized comfort without a high price tag.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan the adjustable base be used on a platform frame?\u003c\/strong\u003e\u003cbr\u003eYes, the zero clearance design means the frame fits on most platform frames or directly on the floor without mechanics extending beyond the frame.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long before the mattress reaches full expansion?\u003c\/strong\u003e\u003cbr\u003eThe mattress expands after unboxing and is generally ready to sleep on within 24 hours.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the Split King option allow independent control for each side?\u003c\/strong\u003e\u003cbr\u003eYes, a Split King uses two Twin XL bases so each sleeper can adjust their side independently or synchronize them as needed.\u003c\/p\u003e","brand":"Siena","offers":[{"title":"Default Title","offer_id":48240114532571,"sku":"B0DQ2CDGLY","price":742.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51FqEYi90SL._AC_SL1001_a0e45ad5-e839-4153-8341-03f6c3cd156b.jpg?v=1770928795","url":"https:\/\/gearmusthave.com\/products\/siena-8-full-mattress-with-adjustable-base-medium-firm-comfort","provider":"GearMustHave","version":"1.0","type":"link"}