A friend passed away recently during sleep due to unknown natural causes when they were all alone in a hotel in a foreign country. I couldn't dismiss the thought that may be if they had worn a smart watch they could have had better chances of reaching out for help and perhaps even got alerted of some discrepancies in their vitals. There's no dearth of smart watches in the market offering health monitoring solutions but Apple Watch has been leading the pack in terms of accuracy of heart-rate, ...