Patent suggests that Apple could add hydration tracking to its Apple Watch

Patent suggests that Apple could add hydration tracking to its Apple Watch

  • Apple has applied for a patent to create a hydration tracking system for its Apple Watch.
  • The sensor will measure the wearer’s sweat to determine their electrolytes levels and calculate their hydration level.
  • This is especially useful for athletes and those who forget to hydrate.

Many smartwatches have hydration tracking as a standard feature that allows users to track their fluid intake. Apple has filed a patent that suggests the Apple Watch could soon monitor the wearer’s hydration levels.

Patent suggests that apple could add hydration tracking to its apple watch
Patent suggests that apple could add hydration tracking to its apple watch

Patently Apple (h/t GizmoChina) has published a patent that describes a non-invasive sensor for monitoring electrolytes in sweat using electrodes. Based on the level of electrolytes found in sweat, the watch can calculate the user’s hydration level. Apple may place “one or more electrodes on the Apple Watch’s wristband,”

Apple Watch hydration monitoring: The pros

For athletes at high risk of becoming dehydrated during marathons and hikes, hydration tracking could be a useful tool. The wearable can alert its owner to drink before their hydration levels start to drop. There are many water reminder apps, but they only work for a set period of time and not on real-time data. Wearers could benefit from hydration data when combined with other metrics on the Apple Watch.

Apple’s Series 4 added an ECG as its last major sensor. Samsung and Fitbit, among others, have added body composition sensors and EDA sensors to their respective devices.

Apple is believed to have been working on this patent for at least three years. However, it seems unlikely that the sensor will be available for the Apple Watch Series 7. It may be introduced as a future model.

What do you think about smartwatch-based tracking of hydration? Comment below.

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