You're charging your smartphone wrong but there's a way to improve its battery life
![You're charging your smartphone wrong but there's a way to improve its battery life](https://i2-prod.dailystar.co.uk/incoming/article29983714.ece/ALTERNATES/s615/0_MAIN_PHONE.jpg)
It's the last thing millions of people do at night before they go to bed, but plugging your phone in to charge while you sleep could be seriously reducing your battery life - here's why