Can I use the Vivosmart 5 as only a sleep tracker, putting it on before bed and taking it off when awakening? Or do I have to wear it during the day as well in order to accurately track sleep?
Can I use the Vivosmart 5 as only a sleep tracker, putting it on before bed and taking it off when awakening? Or do I have to wear it during the day as well in order to accurately track sleep?