Slack is preventing my Mac from sleeping. I can see this information in the Activity Monitor.
How can I disable it? I want my mac to sleep even when Slack is open.
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Update 2021: same issue, the only way to allow my mac to go to sleep while plugged-in is to quit the Slack app... :(– MrYoshijiCommented Sep 3, 2021 at 12:59
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At some point after restarting my machine, slack stopped preventing my mac from sleeping. I have no idea what was changed.– bobsacamenoCommented Sep 5, 2021 at 9:31
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1I think it keeps it awake after you do a Huddle. I had to restart the app after a hudd to go back to not keeping it awake.– chamini2Commented Oct 12, 2022 at 14:24
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1Slack has recently been made aware of this issue.– Noel YapCommented Nov 14, 2022 at 19:40
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1@NoelYap is there a ticket or something like that?– Jaime HablutzelCommented Dec 8, 2023 at 20:43
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1 Answer
It's the "Slack Helper" service preventing your mac from sleeping.
If you open the Activity Monitor and terminate the service, it will go to sleep.
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1It might apply only when you use an HDMI monitor as your sound output: that is what I see by experimenting with switching to built in speakers.– nmgeekCommented Dec 24, 2022 at 19:48
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3For me just terminating Slack did the trick: Slack then no longer prevented sleep. It might be related to having used the huddle feature. There was also continuous use of around 6% CPU by the coreaudiod, which also was stopped by restarting Slack.– GeorgCommented Jan 24 at 5:43
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12024, same issue.
2024-04-25 11:31:38 +0400 Assertions PID 33640(coreaudiod) Released PreventUserIdleSystemSleep "com.apple.audio.context201.preventuseridlesleep" 00:03:30 id:0x0x10000a7fd [System: PrevIdle DeclUser kDisp]I think that's because of using "Huddle" feature, possibly. Closed the Slack, issue disappeared. Commented Apr 25 at 7:36 -
might apply only when you use an HDMI monitor. Or any external sound? i have the problem with a usb audio device. Commented May 24 at 16:26 -