While it might not be as 'smart' as some other ones out there. The Nokia/Withings Charge HR has sleep tracking, heart rate tracking, vibrates and does notificat

While it might not be as 'smart' as some other ones out there. The Nokia/Withings Charge HR has sleep tracking, heart rate tracking, vibrates and does notifications too. The battery easily lasts a month sometimes longer. It also looks like an actual adults watch too.