So, your phone doesn't overcharge, but there are still some precautions you should take when leaving it charging overnight. Try avoiding full charges (going from nearly dead to completely full) more than once a month. Also, make sure your phone case allows the heat to escape from the phone while it charges. The increased temperature could cause cell oxidation and end up shortening the battery lifespan.Know a tech myth that needs debunking? Tell us about it to be a part of our next #TechMythTuesday.