The company also unveiled a fancier, Titanium Edition device (available for $299.99) along with a new line of fashionable leather accessory straps.
The smartwatches will be used in a pilot study focused on tracking sleep patterns in veterans suffering from PTSD-related nightmares.
Data export options include minute-by-minute sensor data including heart rate, calories burned, steps, perspiration and skin temperature.
The Intel-owned company has also announced smartphone notifications, heart rate streaming to 3rd party apps along with sporty accessory straps.
Compared to the original Basis B1 model, the Peak looks much better and has and even more advanced sensors that can track heart rate even during workouts.
BASIS Science makes the Basis band, which captures physiological metrics such as heart rate to help people get fit, sleep better and stress less.