Do you know your ‘sweat score’? The rise of hydration tech
Hydration Breaks in the 2026 World Cup
Do you know your sweat score - The 2026 World Cup marks the first time hydration breaks are required in every match, sparking complaints from fans and critics alike. While these pauses are not entirely novel, they now occur twice per game, a decision that has drawn mixed reactions. Some argue the breaks are more about commercial interests than athlete well-being, with critics claiming they disrupt the natural rhythm of play and serve as platforms for increased advertising. Others question their necessity in climate-controlled stadiums, where heat-related strain is mitigated.
The Science Behind Hydration Monitoring
Amid growing debates, hydration itself has become a focal point of global discourse. "Hydration is a key issue," states Andreas Flouris, a researcher at the University of Thessaly in Greece. "From a scientific perspective, its importance is escalating." This shift aligns with climate change's intensifying heatwaves, prompting public health initiatives to emphasize fluid intake as a preventive measure.
Rise of Hydration-Focused Technology
In response to these concerns, hydration-centric gadgets have surged in popularity. These innovations range from sweat analyzers to urine-testing devices, offering real-time insights into bodily fluid levels. Roozbeh Ghaffari, co-founder of Epicore Biosystems, notes that step-counting devices like the Apple Watch and Fitbit once revolutionized health tracking. Now, he claims, "sweat has become the next chapter" in this trend.
Epicore Biosystems' offerings include single-use patches and sleeve-like sensors that measure sweat flow, sodium content, and skin temperature. A recent product combines an armband with an app to assess "hydration readiness" using live data. Ghaffari explains, "Our wearables can identify your risk profile through sweat score analysis," enabling proactive hydration strategies. Some devices even vibrate to alert users when fluid intake is needed.
The company's technology is marketed to athletes and laborers in high-heat environments, such as construction sites and airports. However, Andreas Flouris remains cautious. In his lab, he evaluated unnamed sweat-sensing gadgets, remarking, "Most products we tested lack the precision expected." His findings, yet to be published, suggest these sensors perform best during prolonged physical activity, like marathons. They falter in scenarios with varied exertion, such as a footballer alternating between walking and sprinting.
Ghaffari counters this skepticism by citing peer-reviewed studies on Epicore's devices. He acknowledges challenges in measuring sweat loss over short intervals but argues their tools are reliable for 30-minute or longer workouts. Meanwhile, smart water bottles like those from WaterH have gained traction. "We aim to make hydration engaging," says Cem Bakiş, the company's business development head. The device features a glowing ring that flashes to encourage sipping, incorporating gamification elements such as social features and point systems.
WaterH's approach differs from traditional bottles, which rely on weight tracking. Instead, sensors detect when the water is consumed, offering a novel way to prompt regular hydration. As these technologies evolve, they continue to redefine how individuals monitor and manage their fluid balance in everyday and extreme conditions alike.