3 ms·Sleep tracking is one of the features that pebble users fawn over. Charging overnight prevents that use case.by kobeya 10y agoSleep tracking is one of the features that pebble users fawn over. Charging overnight prevents that use case.macintux 10y agoIt doesn't actually need to charge overnight.zacharyz 10y agoYou can get by with wearing an apple watch while you sleep. It charges mostly to full in about the time it takes for a morning shower.