biohacking devices 5

https://storyvergey.com/s/AhvosNq8EnLAjDvBlQutL

My friend swears by her Oura Ring, tracking sleep and HRV to tweak her daily routine. I'm more into microdosing caffeine with a programmable smart mug, finding that steady drip keeps my focus sharp without the jitters. These biohacking devices feel less like gadgets and more like subtle partners in performance.