TomaTito on 24 October 2017
Best value for money you get it from the Xiaomi Mi Band 2. I had the original one and it worked great.
Bought V1.1 for my mother who had sleeping dysfunctions and V2 for my father due to the display.
http://www.mi.com/en/miband2/
The heartrate is something that I don't use that much, so for me the best tracker would be the out of market Pebble smartwatch. Love the colour e-ink screen, the sleep recognition is way better than the Mi Band I had, you can see the info easily from the watch, plus you get notifications.
https://www.pebble.com
All my family has Pebbles 
It's a shame Pebble got bought out by Fitbit. They were about to launch new designs with heart sensors.
Maybe have a look at the available smartwatches in the market??
