Apple Watch may get built-in sleep tracking by 2020

Since its launch in 2015, Apple has increasingly positioned the Apple Watch as a health and fitness device; something that helps users track their workouts and look after their body. But one popular feature has been missing from Apple’s built-in software: sleep-tracking.Not for much longer, says Bloomberg. The publication reports that Apple is testing sleep tracking functionality and, if it meets standards, plans to add it to the Apple Watch by 2020.You can already track your sleep on the