Ultrahuman Ring Air Smart Tracker

Wake up to your sleep insights

The Sleep Index, intelligently designed to be your sole metric for sleep health, assesses your total sleep duration, resting heart rate, and restfulness, creating a comprehensive picture of your sleep quality.

Temperature tracking made easy

Skin temperature is vital for measuring your body’s physiological states and responses to various factors, including exercise, stress, and illness.

Listen to your body clock

The Phase Response Curve (PRC) describes the intricate interplay between a stimulus, such as light exposure, food or exercise mapped to a shift in your body’s circadian rhythm.