Hi, just one point: the hourly setting for the sleep period is set for those who sleep from 10 p.m. to 8 a.m., but for those like me, who work nights and sleep from 5 a.m. to 2 p.m., we cannot set this time. Maybe there is a way to modify ? Thank you. Serge
Very nice product, display is very good, functions are ok Works very well with iPhone app I did not test the ECG sticker yet, the watch comes with 20 stickers (2 needed for 1 test)