{"niche":"哪一款最舒适的凝胶记忆棉床垫适合缓解背痛？","description":"What is the most comfortable gel memory foam mattress for back pain relief?","products":[{"brand":"Nectar","model":"Nectar Premier","price_gbp":414.54,"origin_country":null,"specs":{"firmness":"medium-firm","thickness":"13in","cooling_technology":"cooling fibers woven into the mattress surface","memory_foam_layers":"3"},"confidence_score":null,"sources":[{"label":"Nectar Sleep","url":"https://www.nectarsleep.com/mattresses/premier-memory-foam-mattress/queen","currency":"USD","source_country":"US","price":807.0,"price_gbp":609.35,"scraped_at":"2026-06-23T20:26:23.552725"},{"label":"Mancini's Sleepworld (Sleepworld)","url":"https://www.sleepworld.com/nectar-premier-memory-foam-medium-firm-mattress-13in/ASH-NEC-PRE-E6M-MF-24.html","currency":"USD","source_country":"US","price":1099.0,"price_gbp":829.83,"scraped_at":"2026-06-23T20:26:23.552725"},{"label":"HassleLess","url":"https://www.hassleless.com/nectar-premier-5-0-memory-foam-mattress","currency":"USD","source_country":"US","price":549.0,"price_gbp":414.54,"scraped_at":"2026-06-23T20:26:23.552725"},{"label":"Nectar Sleep","url":"https://www.nectarsleep.com/mattresses/premier-memory-foam-mattress/queen","currency":"USD","source_country":"US","price":807.0,"price_gbp":609.35,"scraped_at":"2026-06-23T20:26:26.418387"},{"label":"Mancini's Sleepworld (Sleepworld)","url":"https://www.sleepworld.com/nectar-premier-memory-foam-medium-firm-mattress-13in/ASH-NEC-PRE-E6M-MF-24.html","currency":"USD","source_country":"US","price":1099.0,"price_gbp":829.83,"scraped_at":"2026-06-23T20:26:26.418387"},{"label":"HassleLess","url":"https://www.hassleless.com/nectar-premier-5-0-memory-foam-mattress","currency":"USD","source_country":"US","price":549.0,"price_gbp":414.54,"scraped_at":"2026-06-23T20:26:26.418387"}],"summary":"The Nectar Premier is a 13in all-foam memory foam mattress with a medium-firm feel designed to balance pressure relief with consistent support. It uses cooling fibers woven into the sleep surface and is described as having both firm support and cradling comfort. It suits people who want an all-foam mattress that sleeps cooler while still helping with back and pressure-point comfort.","ideal_for":"Its medium-firm all-foam construction (with a 13in height) is designed to relieve pressure points while maintaining firm, consistent support-matching the needs of back-pain relief on an all-foam comfort/support balance."}]}