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Good Sleep Launches Medical-Grade Climate Control System That Improves Deep and REM Sleep Cycles.

Good Sleep is a new climate-controlled mattress topper that uses surgical-grade water-cooling technology to help users spend more time in REM and deep sleep stages. Most people think they're bad sleepers. Turns out, they're just sleeping at the wrong temperature. Good Sleep , a new mattress topper system launching with medical-grade water-cooling technology, addresses a problem that's been quietly wrecking sleep quality for millions: overheating. The science is straightforward. Core body temperature needs to drop for the brain to initiate deep sleep and more REM sleep cycles. When beds stay too warm—whether from body heat, memory foam, or heavy blankets—that temperature drop doesn't happen properly. The result is shallow sleep with frequent wake-ups and mornings that feel worse than the night before. Good Sleep's climate control system tackles this by circulating temperature-controlled water through a mattress topper that sits on top of any existing mattress. The range runs from 55°F to 110°F, meaning it works for hot sleepers, cold sleepers, and everyone caught in the middle. Set it, go to sleep, stay at that exact temperature all night. "Chronic pain and overheating made restful sleep nearly impossible," the Good Sleep team stated via press release. "We developed Good Sleep using medical-grade temperature control technology, engineered for performance, built for consistency, and designed to make high-quality sleep accessible." The system costs under $1,800—significantly less than competitors like 8 Sleep or Chilipad. No app required. No monthly fees. No upsells. Explaining what makes temperature control matter for sleep quality, a team rep stated that “when beds overheat even slightly, the body experiences micro-awakenings throughout the night. These brief interruptions pull sleepers out of deep sleep and REM stages—the restorative phases where memory consolidation, tissue repair, and cognitive recovery happen. People wake up having technically ‘slept’ seven or eight hours but feeling exhausted because they spent most of that time in light sleep.” Research shows that maintaining a consistent, cool sleep environment prevents these brief wake-ups. Users of water-based cooling systems report increases in deep sleep duration and improved heart rate variability scores on their Oura rings and Whoop bands. The Good Sleep system sustains stable temperatures all night, which helps users stay in those deeper sleep stages longer. The technology itself comes from medical-grade surgical cooling systems—the same water-circulation tech used in operating rooms. Good Sleep adapted it for consumer use, stripping away complexity while keeping performance. Fill the system with water, set the temperature via simple physical controls embedded in the Good Sleep Hub, done. Periodic water changes are the only maintenance required. Customer feedback points to the same patterns. "I have never slept better," wrote Larry from Miami. Linda in Akron added: "I have no feedback, this thing works!" Lopez in San Antonio credited the system with improving sleep scores. Sandy in Carlsbad noted her husband "has suffered for years until we found the Good Sleep." The dual-zone setup lets couples sleep at completely different temperatures on the same mattress—a feature that matters when one partner runs hot and the other freezes. Color-coded connections make installation as simple as making a bed. No complicated setup, no external machines taking up bedroom space, no apps to configure. Good Sleep targets specific groups: people with chronic pain who need temperature regulation for inflammation management, hot sleepers dealing with night sweats, anyone recovering from surgery or injury, athletes focused on sleep-based recovery, and couples fighting over thermostat settings. The system also helps people dealing with menopause-related temperature fluctuations and those whose medications cause overheating. Beyond the cooling tech, the company emphasizes accessibility. High-quality sleep systems have traditionally cost $3,000-$5,000. Good Sleep's sub-$1,800 price point—with no ongoing subscription fees—makes medical-grade temperature control available to more people. The system comes with a 90-day satisfaction guarantee, free shipping, and free returns. The product works with any mattress, which means people don't need to replace their entire bed setup. The topper goes on top of the existing mattress, under the fitted sheet. Queen and king sizes are available, with the system fitting mattresses between 8-20 inches thick, including adjustable beds. Temperature control isn't just about comfort—it's about sleep architecture. The body follows a natural temperature rhythm tied to circadian cycles. Temperature drops in the evening to signal sleep time, stays low during the night to maintain more deep sleep, then rises in the morning to trigger wakefulness. When sleep environments don't support this rhythm, sleep quality suffers no matter how many hours someone spends in bed. Good Sleep maintains an average 4.98-star rating across 200+ customer reviews. The consistency in feedback suggests the system delivers on its core promise: stable temperature throughout the night, which helps users get better sleep quality and more time spent in restorative sleep stages. More information about Good Sleep is available on the company’s official website .