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- Mac laptops have a feature called safe sleep. With safe sleep, each time the Mac goes to sleep, the current state of the Mac is saved, including open apps and open documents. Safe sleep prevents your information from being lost if the Mac is completely shut down during sleep, which could occur if the battery runs down or is replaced.
support.apple.com/guide/mac-help/what-is-safe-sleep-mh10328/mac
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Jul 27, 2024 · What is the difference between Sleep and Safe Sleep on a Mac? Sleep mode on a Mac preserves the current session in RAM for quick wake-ups. Safe Sleep, however, saves the session to both RAM and the disk, ensuring data protection during battery drain.
Safe sleep prevents your information from being lost if the Mac is completely shut down during sleep, which could occur if the battery runs down or is replaced. If your Mac needs to access the saved state when it wakes up, a progress bar appears until your Mac is ready to use.
- Mac Energy-Saving Modes
- What Happens to A Mac While It’S Sleeping?
- How to Change The Sleep Mode on Your Mac
1. Mac sleep mode
Putting a Mac into sleep mode leaves its RAM powered on, which allows the Mac to wake up and get back to work very quickly. Normally, a Mac automatically goes to sleep after a certain period of inactivity (between one minute and three hours). You can set a preferred timespan before sleepor even completely stop your Mac from sleeping in your Mac’s System Preferences. This energy-saving mode is used by default for desktop Macs and is calledhibernatemode 0.
2. Mac hibernation mode
In this MacBook-only sleep mode, before the Mac is put to sleep, the startup drive saves data from the RAM for safekeeping. The only difference between the sleep and hibernation modes is that hibernation turns off the RAM when a Mac is sleeping, which is why it needs to copy data from it first. The startup disk restores necessary data to the RAM once you wake up your Mac from hibernation mode again. And that’s why the wake-up time for hibernation is a bit longer than in the sleep and safe sle...
3. Mac safe sleep mode
Unlike the simple sleep mode above, this mode is safe because it copies the RAM contents to the startup drive before your Mac goes to sleep, like in hibernation mode. This allows you to recover your data in case of battery failure, hardware damage, or any other unfortunate events that can affect your Mac. However, in this mode, the RAM remains powered on while your Mac is sleeping, unlike hibernation mode. And that’s why the wake-up process is still as quick as in the standard sleep mode. Saf...
Whether you have a desktop or a laptop, putting your Mac to sleep will: 1. Put the processor into a low-power mode 2. Spin down Apple-supplied hard disks 3. Spin down third-party hard disks 4. Deactivate video output and turn off, or idle, connected displays Laptops, however, are a bit different as they need to save energy as much as possible to pr...
Unlike a Windows computer, a Mac enters sleep mode automatically and you can't easily choose which sleep mode to use. However, you can manage those modes with the help of the Terminal app.
How often you should shut down your MacBook. We run through the pros and cons of shutting down your MacBook vs letting it sleep, and explain how to shut down a Mac and how to schedule it to...
Your Mac may enter safe sleep if your battery begins to run low, or your computer is left idle for a long time. Safe sleep copies the contents of memory to your startup drive, and powers down the computer. This helps you when your battery is depleted on Mac notebooks.
Dec 22, 2021 · Shutting down your Mac and putting it in sleep mode both offer benefits to your Mac. However, if the question is which one is better for daily use—that is, if you only plan to stop using your Mac for a few hours or for the night—then putting your Mac to sleep is the best option.
