Hibernating your laptop doesn't consume as much as putting it to Sleep does. If you won't be using your laptop for a couple of hours and you're looking to get more juice out of the battery without shutting it down, setting the lid close action to Hibernate is recommended. When Should You Choose Hibernate or Sleep

Possibly causing them to stop functioning effectively. That would cause it to heat up and could damage some electrical components in your laptop.

You should not choose lid close action as ‘Do nothing’ while your laptop is in your backpack for a long period of time.

This would quickly drain your battery out. Setting your laptop's lid close option to ‘Do nothing’ when it isn't plugged in isn't recommended. That also helps to minimize distractions from your laptop while using a bigger external monitor. The laptop saves battery power by turning off the screen light but keeps other processes running. If you need to hook your laptop with an external screen, ‘Do nothing’ is a perfect lid close action to active. Useful Tips for the Lid Close Settings When Should You Use Do Nothing Option Step 10: Tap OK to finish up and exit the Advanced Power Options menu. Step 9: Tap Apply to activate the customization you just made. Tap the default lid close action and select a new one from the drop-down menu options. Step 8: Do the same for the 'Plugged in/Charging' state. Then proceed to select a new action from the drop-down menu options. Step 7: For lid close action while on battery, tap the default action. By default, the lid close action for both states are set to Sleep. Here, you would also be able to set customized lid close action for when your laptop is charging or running on a backup battery. Step 6: Double-tap the 'Lid close action' option or tap the + symbol next to it to expand the option. Step 5: Navigate to the bottom of the page and tap the + symbol to expand the 'Power buttons and lid' option. That launches the Advanced Power Options menu page. Step 4: At the bottom of the Edit Plan Settings page, select 'Change advanced power settings.' Step 3: Next to your active power plan (Balanced or Power Saver), tap 'Change plan settings.' Step 1: Tap the Windows key + X keyboard shortcut to launch the Quick Access menu. You can get this done through your PC's Advanced Power Options menu. The trick here is to change your laptop's lid close settings for the power plan it runs on. This is a much longer process, but it gets the job done. Step 6: Tap the Save Changes button to complete the process and save the newly-customized lid close actions. Tap any of the four options (Do nothing, Sleep, Hibernate, or Shut Down) to select it. Step 5: That option is also set to Sleep by default. Step 4: To customize lid close action for when your laptop is charging, tap the drop-down button (on the right). It won't go to Sleep, Hibernate, neither will it Shut Down.

Note: The Do Nothing means your laptop will continue its operation.

Windows 10 not sleeping when lid closed