Does hibernating my laptop drain the battery?

Before we discuss this, you should understand laptops have multiple power options that affect them in different ways.

Shutdown: This is the shutdown state most of us are familiar with. When you shut down your laptop, all open programs close and the laptop shuts down your operating system. A laptop that is turned off uses almost no power.

Sleep: Also known as Sleep or Standby. In sleep mode, the laptop enters a low power state. The power is used to keep the state of the laptop in memory, but the rest of the laptop is powered off and doesn't use any power. However, this consumes more power than shutting down or hibernating the computer.

Hibernation: Your laptop saves its current state to your hard drive, essentially dumping the contents of its RAM to a file on the hard drive. When you start your computer, it loads the previous state from your hard drive into its RAM. Resuming from hibernate takes longer than sleep, but hibernate uses much less power than sleep. A hibernating laptop consumes about the same amount of power as a powered off laptop.

So, if your laptop is in hibernate mode for two to three days, you should not notice a significant battery drain. However, if the battery is already weak or if the laptop has other power management settings that might affect it, a very small amount of battery might be used for maintaining the system clock or other minimal functions.

How to Use Hibernate Mode

Hibernate mode usually requires one more step than putting your laptop to sleep. Nowadays, Windows doesn’t show the hibernate option by default. You’ll need to go into your power settings and turn on the ability to see it when you click on the Power icon. Once you’ve done that, the option will appear in the future. Here’s how you go about getting your laptop to hibernate.

a.How to Hibernate Your Windows PC
On a Windows PC, you can hibernate your system by following these steps:

• Click on the Start menu. It’s typically at the bottom left of your laptop screen.
• Select the Power button. It’s the icon on the bottom left of the Start screen (the one with a circle with a line protruding from the top).
• From the options, select Hibernate. If you don’t see Hibernate, you need to enable this feature in your power settings. From the “Control Panel”, open Hardware and Sound. Then, under “Power Options”, select Change what the power buttons do. If you don’t see a tickable box next to “Hibernate”, click Change settings that are currently unavailable. This should add the “Hibernate” box below.

b.How to Hibernate Your Mac (Safe Sleep)
Strictly speaking, Macs don’t have a traditional ‘Hibernate’ mode like Windows. Instead, they have a ‘Safe Sleep’ feature that combines aspects of sleep and hibernate modes. It’s not something you have to manually enable, as it happens automatically when the Mac enters sleep mode.
When a Mac enters sleep mode, it copies everything in its memory to the hard drive, preparing for a situation where the battery might be completely drained. When you wake your Mac, it starts up quicker because it simply needs to reload data back into memory. If it dies while sleeping, it uses the data saved on the hard drive to start up when it’s plugged into power again.

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