OS: Windows phone 10 build 10. 0. 10586. 36, Version 1511
You will not know what kind of performance in the mobile phone activities, such as: Lumia proceasor (CPU), memory (RAM) and graphics chipsets (GPU) that worked hard to follow your activities, which always used the phones Lumia. If only it can be in the know, at least you can know how the performance of your process percent. The higher the percentage of mobile working, the weak performance mobile phones in use. And surely will make the battery you wasteful.
Use the application Device Diagnostics HUB to view the performance of your percents, and perform the reduction of activity against your phone so that the performance of mobile phones can be maximal. .... which of course will save battery phone Lumia.
More seting insider, there have a switch Restart and Shutdown on setting option below....Its works. *We use Microsoft 640 LTE device, with OS Windows phone 10 build 10. 0. 10586. 36, Version 1511*