Perhaps it's something with High Sierra. I'm running El Capitan and I can sleep with PS open, along with a whole bunch of other apps. Mind, I rarely hit the scheduled sleep time, though on occasion I do—I usually simply hit Sleep when I want it to. Does it work from the Apple menu, if it's not working from System Preferences?
It doesn't sleep automatically. If I close Photoshop, then it goes to sleep mode. I reproduced the issue many times. But it doesn't happen always. But if it happens, then it happens every time until I close Photoshop.
So far, I've read exactly nothing that makes me want to upgrade to High Sierra. More conflicts seem to have been introduced than resolved. Maybe by the next OS?<sigh>
Better use something else than Adobe buggy products than to use obsolete operational system on your mac. We are overly-dependent on Photoshop. Actually, it's very inconvenient and old tool.
> Better use something else than Adobe buggy products than to use obsolete operational system on your mac>
My Mac is obsolete. I'm still waiting for that new Mac Pro they've promised. It'll be that or the iMac Pro I guess, for all the choice we get from Apple lately (NOT!). As for buggy, I use other image editing software, too, and they're all buggy or limited in different ways. I end up doing as much as I can in PS because it does more and with fewer serious issues. I read in the other guys' forums the same complaints, and sometimes it depends upon the user's configuration, sometimes they just haven't got the code right. Every time something gets added, there's the risk it will break something, or break someone's beloved workflow, or affect one OS or platform, but not another.
I've learned to be very patient<G> Apple has taught me that with their incredibly slow release of hardware and overly quick release of a new OS, if no one else had ever also taught me patience. '-}
You can use the following command in the Terminal to see why your screen is prevented from sleeping:
pmset -g assertions | grep IdleDisplaySleep
In my case, Photoshop CC claims it is playing a video (which it is not). Quitting and relaunching Photoshop will clear that flag. But in general Adobe seem to have trouble remembering to clear these assertions when they are no longer needed, resulting in your screen never sleeping.
Hello Adobe? Please fix this and stop burning in our monitors!
My Mac stopped sleeping after I installed the PSD Covers Photoshop extension. I uninstalled it and now it will sleep again. So your problem may be due to an extension that constantly needs network connection.
I'm not able to reproduce this running the current version of Photoshop on Catalina. Can you use activity monitor and/or terminal to determine which exact process is preventing sleep? https://www.chriswrites.com/mac-refusing-sleep-figure-whats-keeping-macos-awake/ It would be to good to get a screen shot of what's running and preventing sleep. (You may need to right click on the column headers in Activity Monitor to show "Preventing Sleep")
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dmitry_kovba
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cristen_gillespie_7908527
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My Mac is obsolete. I'm still waiting for that new Mac Pro they've promised. It'll be that or the iMac Pro I guess, for all the choice we get from Apple lately (NOT!). As for buggy, I use other image editing software, too, and they're all buggy or limited in different ways. I end up doing as much as I can in PS because it does more and with fewer serious issues. I read in the other guys' forums the same complaints, and sometimes it depends upon the user's configuration, sometimes they just haven't got the code right. Every time something gets added, there's the risk it will break something, or break someone's beloved workflow, or affect one OS or platform, but not another.
I've learned to be very patient<G> Apple has taught me that with their incredibly slow release of hardware and overly quick release of a new OS, if no one else had ever also taught me patience. '-}
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ptwithy
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62 Points
3 years ago
In my case, Photoshop CC claims it is playing a video (which it is not). Quitting and relaunching Photoshop will clear that flag. But in general Adobe seem to have trouble remembering to clear these assertions when they are no longer needed, resulting in your screen never sleeping.
Hello Adobe? Please fix this and stop burning in our monitors!
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dani_rowan
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dmitry_kovba
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kostya_pashko
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cristina_de_mink
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WastingCO2
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4 months ago
Is this ever gonna be fixed? I'm running on year 4 wasting electricity and burning CO2 for no reason
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JeffreyTranberry
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I'm not able to reproduce this running the current version of Photoshop on Catalina. Can you use activity monitor and/or terminal to determine which exact process is preventing sleep? https://www.chriswrites.com/mac-refusing-sleep-figure-whats-keeping-macos-awake/ It would be to good to get a screen shot of what's running and preventing sleep. (You may need to right click on the column headers in Activity Monitor to show "Preventing Sleep")
Sr. Product Manager, Adobe Digital Imaging
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