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Your bedding can now tell you how fast you're aging (thanks in part to biohacker Bryan Johnson). Published Sep. 3, 2026, 9:00 a.m. ET See more of our coverage in your search results. More people are looking to get the most out of their nightly slumber, turning to high-tech mattresses and bedding to track their sleep data and achieve a perfect night's rest. Now, the brand that once described itself as a "sleep fitness" company has partnered with the "immortal uncle" to offer a way to see how fast you're aging while catching some Z's. Eight Sleep, maker of the buzzy Pod bed cooling system, has just added a biological age feature to help users better understand not just how well they're sleeping - but also how well they're aging. The company developed the latest tech with biohacker and longevity mogul Bryan Johnson, a longtime advocate of prioritizing sleep who has used the Pod for years. "Bryan has spent years focused on measuring the factors that influence the pace of aging," Matteo Franceschetti, co-founder and CEO at Eight Sleep, told The Post. "That perspective helped shape how we think about making longevity data more accessible and useful in everyday life." The Eight Sleep Pod system consists of cooling pillow covers, a mattress cover to track biometric data, a hydro-powered blanket that connects to the cover and a hub, which powers the system. Using sensors built directly into the Pod mattress cover, the new feature measures several biological signs of aging - including heart rate, heart rate variability, respiratory rate, sleep stages, and sleep duration - and can account for individual metrics of two people in the same bed at the same time. Users also have the option of connecting a wearable fitness tracker, like an Apple Watch, to add data from their daytime activities and medical records for a more comprehensive picture. Unlike chronological age - the time that's passed since a person's birth - biological age measures the functional condition of a person's cells, tissues and organs. Several factors play a role in how well someone ages biologically, including genetics, weight, environmental exposures and lifestyle habits, such as diet, exercise and, of course, sleep. "Because it is part of the bed, the experience is effortless," Franceschetti explained. "You simply sleep in comfort while the Pod builds a continuous picture of how your body is functioning night after night." To ensure the cover's sensors provided the most accurate results, measurements were validated against clinical gold standards. For instance, sleeping heart rate was 99% accurate compared with an ECG, while respiratory rate was 98% accurate compared with respiratory inductance plethysmography, a tool used to measure lung volume and breathing patterns. "For Biological Age specifically, we trained a new health foundation model using data from more than 100,000 participants and 2.7 million hours of biometric data collected during sleep," Franceschetti explained. "That accuracy is the foundation for Biological Age." Along with biological age, the system also focuses on speed of aging, or the estimated pace at which the body is aging relative to calendar time. While Biological Age and the Pod aren't meant to replace clinical care, consistency is key to fully understanding how someone's health is "changing over time relative to their own baseline, while also comparing those patterns with people of similar age and gender," according to Franceschetti. "I think Eight Sleep customers will love the Biological Age because it can help them build intuition around how their lifestyle choices affect their health," Johnson said in a press release from Eight Sleep. The most current Pod system runs for $2,999 with a five-year warranty. Eight Sleep offers a 30-night risk-free trial, as well as free shipping and free returns.

Eight Sleep, maker of a $2,999 smart mattress cover, is pursuing FDA clearance to detect and treat sleep apnea. Chief executive Matteo Franceschetti said the filing is progressing "fairly smoothly" and the company is conducting clinical studies. The company aims to position the Pod as a prescription diagnostic device and CPAP alternative, hoping insurers will cover it rather than relying on out-of-pocket purchases. Eight Sleep raised $50 million from Tether in March at a $1.5 billion valuation and was profitable in 2025. The firm has raised over $310 million total and now sells in 35 countries. Cumulative Pod sales exceed $500 million, according to Franceschetti. The company is also conducting trials in Abu Dhabi testing whether the Pod can automatically reposition sleep apnea patients.

Department of Health - Abu Dhabi and Eight Sleep partner to study how AI could manage sleep apnoea. * home * Health * Department of Health - Abu Dhabi and Eight Sleep partner to study how AI could manage sleep apnoea. The Department of Health - Abu Dhabi (DoH) and Eight Sleep, the global leader in sleep technology, have collaborated to study how AI-powered sleep technology could provide a new approach to managing conditions like sleep apnoea. The partnership will begin with a first-of-its-kind clinical study in Abu Dhabi that connects real-world data from Eight Sleep's technology with Abu Dhabi's population health data. The initial study will focus on sleep apnoea, one of the most widespread and underdiagnosed sleep-related conditions globally. It will examine how smart bed technology, including real-time adjustments to body position, may help improve how the condition is managed. During the 12-week study, Eight Sleep's technology will capture continuous sleep and physiological signals such as heart rate, breathing rate, movement, snoring, and positional data. Uniquely, this information will be connected into Abu Dhabi's intelligent health system, allowing researchers to analyse these signals alongside participants real-time health data, including relevant clinical, genomic and lifestyle data, to identify patterns that may help to inform future treatment pathways and clinical research. The study will be conducted by Sheikh Shakhbout Medical City, an Abu Dhabi medical research hospital, and will operate with built-in oversight, governance, and data protection protocols. Her Excellency Dr. Noura Khamis Al Ghaithi, Undersecretary of the Department of Health - Abu Dhabi, said: "Quality sleep is one of the strongest foundations of long-term health, yet common sleep disorders like sleep apnoea can significantly undermine it, raising the risk of serious health conditions when left unmanaged. Our collaboration with Eight Sleep reflects Abu Dhabi's commitment to the future of health: using data, research, and innovation to predict risk, intervene earlier, and improve outcomes. By generating real-world evidence from consumer sleep technology and integrating it with Abu Dhabi's intelligent health system, we can help inform personalised care pathways for people with sleep apnoea and other related disorders affecting sleep." The findings are expected to contribute to the evidence base for how consumer health technology can be responsibly integrated into clinical care and preventive health models. The research will also help evaluate how continuous sleep monitoring can complement existing clinical assessments and support future healthcare planning across the emirate. Matteo Franceschetti, Co-founder and CEO of Eight Sleep, said: "Sleep is one of the most powerful signals of human health, yet it has historically been undermeasured and underutilised in medicine," said. "This partnership with the Department of Health - Abu Dhabi is an important step toward making sleep a core pillar of preventive care. By combining Eight Sleep's continuous sleep data with Abu Dhabi's world-class health intelligence infrastructure, we can help generate the clinical evidence needed to personalise interventions, support earlier action, and improve health outcomes over time." Dr Marwan Al Kaabi, Chief Executive Officer, Sheikh Shakhbout Medical City, said: "Clinical research plays a critical role in transforming promising innovations into evidence that can improve patient care. Through this collaboration, Sheikh Shakhbout Medical City is helping evaluate how emerging technologies can be rigorously assessed within real-world clinical settings to generate insights that inform future models of care. As an academic medical centre, we are committed to advancing research that supports more personalised, preventive and data-driven healthcare, creating lasting value for patients, clinicians and the wider health system." Affecting nearly one billion people globally, sleep apnoea is a complex condition associated with increased risks of hypertension, type 2 diabetes, cardiovascular disease and cognitive decline. Symptoms often develop gradually and vary from night to night, so continuous monitoring has the potential to support earlier detection, more personalised interventions, and improved long-term management. While the initial study focuses on sleep apnoea, DoH and Eight Sleep plan to study how sleep, temperature regulation, and recovery effect other areas of health, such as menopause and cancer care. The findings are expected to help show how everyday consumer health devices can be used safely and responsibly within clinical care and prevention. The collaboration reinforces Abu Dhabi's continued investment in clinical research, health intelligence and responsible adoption of emerging technologies. By generating evidence within real-world care settings, the DoH continues to evaluate new approaches that can strengthen preventive health and improve long-term patient outcomes.