13. Oura Ring
The Oura ring is one of the smallest, and most stylish lifestyle tracking devices out on the market. Picking up your pulse with a ring-sized wellness computer, the Oura ring detects how your body recharges at night. By providing insights on the way you sleep, Oura helps you to adjust your daily behavior and activities for a more balanced routine. Forget feeling overly fatigued and having to manage a hectic schedule, use Oura to decide which parts of your day will stay and go so you prevent mental exhaustion.