Sleep or shut down your Mac?
Short answer: let it sleep. Modern Macs are built to sleep for days and wake in a second. Shutting down still has its moments, and there's a third option people forget.
The short answer
Every night: sleep. It uses very little power, wakes instantly, and lets the Mac run backups and updates while plugged in. Once in a while: restart, to apply updates and clear out a Mac that feels slow. Away for weeks or storing it: shut down, with the battery around half full. Something still running: keep it awake until the job is done, then let it sleep.
Sleep vs shut down
| Sleep | Shut down | |
|---|---|---|
| Back to work in | About a second | A minute or so, then reopen your apps |
| Your open apps and windows | Exactly as you left them | Reopened if you ask macOS to |
| Power use | Very low | Practically none |
| Backups and updates overnight | Yes, when plugged in (Power Nap) | No |
| Clears memory, finishes installs | No | Yes |
| Running jobs | Paused until you wake it | Stopped |
Why sleep is the default
Sleep keeps your memory powered and turns almost everything else off. On a MacBook that's been asleep on battery for a while, macOS goes a step further into standby, saving memory to disk and cutting power more. You can see the settings behind this with pmset -g: standby, hibernatemode, and powernap.
Plugged in, Power Nap lets a sleeping Mac wake briefly for Time Machine, Mail, and software updates. That's work it can't do if it's off.
When to restart or shut down
- After a macOS update, or when one is waiting: restart to finish installing it.
- When the Mac feels slow or glitchy: a restart clears memory and resets background processes. Weeks of uptime is fine; months of creeping slowness is a hint.
- Away for weeks, or storing it: shut down. For long storage, Apple's battery advice is to leave it about half charged.
- Holding Option while choosing Restart or Shut Down from the Apple menu skips the confirmation.
The third option: stay awake, then sleep
Sometimes the Mac shouldn't do either yet: a download, a backup to a slow drive, a render, or an AI agent working through the night. Sleeping pauses that work, and shutting down kills it.
Keep the Mac awake for exactly that long, then let it sleep: caffeinate -i in Terminal for a quick job, or Midnight Oil for “until 7 AM,” “until this app quits,” or with the lid closed. When the session ends, the Mac goes back to sleeping on its normal schedule. More in how to stop your Mac from sleeping.
Questions
Is it better to shut down or sleep a MacBook?
Sleep, for everyday use. A sleeping Mac uses very little power, wakes instantly with your apps where you left them, and can run backups and updates when plugged in. Shut down when you won't use it for a long time.
Is it bad to never shut down a Mac?
No. Macs are designed to sleep for long stretches. Restart now and then, especially after updates or when it feels sluggish, which clears memory and finishes installs.
Does a MacBook lose battery while asleep?
A little. Sleep keeps memory powered, and after a long sleep on battery a MacBook moves to a deeper standby that uses even less. Expect a small drop overnight, not a dead battery.
Should I shut down my Mac before putting it in a bag?
Sleep is fine, as long as nothing keeps it awake with the lid closed. A Mac running hot in a closed bag is the real risk, which is why Midnight Oil sounds an alarm if the lid closes on battery during a closed-lid session.
How long should a Mac be off before I shut it down?
Apple doesn't give a cutoff. A common rule: sleep for anything up to a few days, shut down for longer. For long-term storage, Apple recommends leaving the battery about half charged.
More guides
Awake for the job. Asleep after.
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macOS 14 or later · Apple Silicon and Intel · brew install --cask coreyhaines31/tap/midnightoil