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Hot Sleepers: We Found the Best Way to Make Your Bed Cooler and Comfier
This article, updated in August 2025 by Emma Seymour, Textiles Lab associate director at the Good Housekeeping Institute, offers a comprehensive guide to the best cooling mattress pads and toppers for hot sleepers. The article emphasizes that these products can enhance sleep comfort by preventing overheating through moisture-wicking properties or heat absorption and release mechanisms. It highlights that the Good Housekeeping Institute Textiles Lab rigorously tested 67 different mattress pads and toppers, involving over 120 consumer testers, to evaluate factors such as comfort, temperature regulation, and ease of setup. The testing process also included an assessment of specific cooling features like perforated foam and advanced technologies such as Outlast and 37.5.
The article categorizes its top recommendations, starting with the "Best Overall" Slumber Cloud Performance Mattress Pad, praised for its Outlast technology which actively absorbs heat and releases it as needed, providing a soft and plush feel. For those seeking value, the SLEEP ZONE Cooling Quilted Mattress Pad is presented as the "Best Value" option, noted for its NANOTEX cooling technology that wicks away moisture, its plush pillowtop, and deep-pocket design capable of fitting mattresses up to 21 inches. In the mattress topper category, the ViscoSoft Memory Foam Mattress Topper is highlighted as the "Best Overall Topper," available in multiple thickness options with perforated foam for improved airflow and secure corner straps, making it ideal for those needing to upgrade their mattress's support.
Further recommendations include the Zinus Green Tea Cooling Gel Memory Foam Mattress Topper as the "Best Value Topper" for its affordability and gel-infused foam designed to prevent heat retention. The Tempur-Pedic TEMPUR-Adapt Topper + Cooling is recognized as the "Best Memory Foam" option, offering superior pressure relief, motion isolation, and a moisture-wicking cover. For advanced users, the Eight Sleep Pod 4 Cover is the "Best Smart" choice, providing dual cooling and heating capabilities, smartphone app integration for temperature control, and features like vibrating alarms and sleep reports, although it comes with a higher price point. The Pottery Barn SleepSmart 37.5 Waterproof Mattress Protector is presented as the "Best Waterproof" option, combining mattress protection with cooling 37.5 technology. Lastly, the Sleep Number DualTemp Individual Layer Mattress Pad is chosen as the "Best Fan-Powered" option, allowing individual temperature regulation on each side of the bed, and the Sijo Temperature Regulating Mattress Pad is highlighted as the "Most Comfortable" for its plush feel and CLIMA fiber technology.
The article also provides practical advice on how cooling mattress pads work, distinguishing between passive cooling (materials that increase airflow or absorb/release heat) and active cooling (technology-driven temperature control). It advises consumers to look for cooling technologies like Outlast and 37.5, smart features that circulate air or water, and temperature-regulating or moisture-wicking materials such as Tencel and lyocell/viscose. Cotton is noted as a less effective material for cooling due to its moisture retention properties. Key shopping considerations include the design for staying in place, thickness (and its implication for sheet size), firmness levels based on sleeping position, washability, and waterproof capabilities.
Finally, the article clarifies the differences between mattress pads and mattress toppers: pads offer a thinner, fitted sheet-like layer for minor cushioning, while toppers are generally thicker, resting on top of the mattress for more substantial cushioning and support. It also details the best materials for different comfort preferences, suggesting down, down alternative, or wool for a plush feel, and memory foam or latex (especially gel-infused or perforated) for support and firmness.
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