Smartwatch makers promise to turn your wrist into a sleep lab, translating tiny movements and heart rate blips into colorful ...

Scientists have successfully demonstrated a low-cost, self-powered eye-tracking technology that is powered by the friction of ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After tracking my sleep every night for a year, I have some answers. Owen Poole, a ...

A month with the Apple Watch, along with its gentle nudges and a doctor’s guidance, helps the writer build a healthy sleep ...