These should be altered so you can get the most out of the available power. The former will see Windows 10 act accordingly when the PC is draining the battery, while the latter will affect times when you're plugged into an outlet.
If you're using a laptop, there are actually four options that fall into two categories: one for when you're on battery and the other for when you're plugged in. Type 'sleep' and select 'Choose when the PC sleeps'.
Open up search by hitting the Windows Key + Q shortcut.You can modify your Windows sleep settings with the following steps: