Reduce your stress and improve your sleep with the Fitbit Sense 2. Thanks to the EDA sensor, you can always monitor your stress levels. Use a breathing exercise on your Fitbit to relax a bit, for example. The Sense 2 is slightly smaller and lighter than its predecessor, the first Sense. This means you can also comfortably wear it at night, so you get insight into your sleep quality via Fitbit Premium. Using this data, it gives you tips to improve your sleep quality. Let the Fitbit wake you up in the optimal sleep phase and wake up refreshed. While exercising, you can monitor your heart rate and blood oxygen level, for example. Thanks to the built-in GPS and contactless payment via Fitbit Pay, you can leave your smartphone at home.