What is lightsoutmanagementd?

lightsoutmanagementd is a power management process on Apple Silicon Macs.

What is lightsoutmanagementd?

lightsoutmanagementd manages "lights out" tasks: things your Mac does while asleep or with the display off. On Apple Silicon Macs, the low-power cores can handle background tasks even when the Mac appears to be sleeping.

What tasks run during "lights out"?

• Time Machine backups
• Software update downloads
• iCloud syncing
• Push notification delivery
• Find My beacon broadcasting
• Mail fetching

This is similar to Power Nap on Intel Macs, but more capable on Apple Silicon thanks to the efficiency cores.

Does it affect battery life?

The tasks run on low-power efficiency cores and are designed to have little effect on battery life. macOS is careful about when to run them. It considers battery level, whether the Mac is plugged in, and network access.

Should you worry?

No. It is a standard macOS power management process that keeps your Mac doing useful work even while it seems to be sleeping.

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