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How can I find what program is preventing my Mac from going to sleep?
Mac OS asking for password too early/oftenMacBook is sleeping despite being set to “never” sleepMac doesn’t go to sleep after inactivityHow can I stop my MacBook Pro from automatically sleeping when I lock the screen?Mac mini set to never sleep, but seems to be sleeping anyway (does not respond to network)My Mac Mini won't go to sleepPrevent display from sleepingCan I get my Mac to wake from sleep for an SSH connection?Prevent MacBook Pro 2016 from sleeping (High Sierra)Python process suspended despite running caffeinate
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My Mac is set to go to sleep after 5 mins of inactivity, and typically this works fine. But every week or so I find that my Mac no longer goes to sleep and nothing I have tried stops this behavior.
So far I have tried:
- resetting the SMC and NVRAM a number of times
- starting up in Safe Mode
- checking that my Energy Saver settings have not changed (Sleep is still set at 5 mins and I have not opted to prevent the Mac from sleeping when the display is off)
- quitting all running apps and using Force Quit to relaunch the Finder
- updating all my programs to the latest versions
- updating macOS to the latest version (currently macOS Mojave 10.14.5)
I have never installed anything to prevent sleep.
The only course of action that works is a full restart, which is highly inconvenient.
How do I work out what program is stopping my Mac from sleeping?
macos mac sleep-wake
edited Jul 16 at 11:14
Monomeeth♦
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asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
add a comment |
My Mac is set to go to sleep after 5 mins of inactivity, and typically this works fine. But every week or so I find that my Mac no longer goes to sleep and nothing I have tried stops this behavior.
So far I have tried:
- resetting the SMC and NVRAM a number of times
- starting up in Safe Mode
- checking that my Energy Saver settings have not changed (Sleep is still set at 5 mins and I have not opted to prevent the Mac from sleeping when the display is off)
- quitting all running apps and using Force Quit to relaunch the Finder
- updating all my programs to the latest versions
- updating macOS to the latest version (currently macOS Mojave 10.14.5)
I have never installed anything to prevent sleep.
The only course of action that works is a full restart, which is highly inconvenient.
How do I work out what program is stopping my Mac from sleeping?
macos mac sleep-wake
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
add a comment |
My Mac is set to go to sleep after 5 mins of inactivity, and typically this works fine. But every week or so I find that my Mac no longer goes to sleep and nothing I have tried stops this behavior.
So far I have tried:
- resetting the SMC and NVRAM a number of times
- starting up in Safe Mode
- checking that my Energy Saver settings have not changed (Sleep is still set at 5 mins and I have not opted to prevent the Mac from sleeping when the display is off)
- quitting all running apps and using Force Quit to relaunch the Finder
- updating all my programs to the latest versions
- updating macOS to the latest version (currently macOS Mojave 10.14.5)
I have never installed anything to prevent sleep.
The only course of action that works is a full restart, which is highly inconvenient.
How do I work out what program is stopping my Mac from sleeping?
macos mac sleep-wake
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
My Mac is set to go to sleep after 5 mins of inactivity, and typically this works fine. But every week or so I find that my Mac no longer goes to sleep and nothing I have tried stops this behavior.
So far I have tried:
- resetting the SMC and NVRAM a number of times
- starting up in Safe Mode
- checking that my Energy Saver settings have not changed (Sleep is still set at 5 mins and I have not opted to prevent the Mac from sleeping when the display is off)
- quitting all running apps and using Force Quit to relaunch the Finder
- updating all my programs to the latest versions
- updating macOS to the latest version (currently macOS Mojave 10.14.5)
I have never installed anything to prevent sleep.
The only course of action that works is a full restart, which is highly inconvenient.
How do I work out what program is stopping my Mac from sleeping?
macos mac sleep-wake
macos mac sleep-wake
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
edited Jul 16 at 11:14
Monomeeth♦
49k8 gold badges103 silver badges149 bronze badges
49k8 gold badges103 silver badges149 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
asked Jul 16 at 10:58
TorBroTorBro
686 bronze badges
686 bronze badges
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
You’ve done a pretty good job so far of troubleshooting this yourself and there are many things that prevent sleep out of the box and by design.
What I would do next is exactly what you’re asking about - a targeted check to see if an application is what’s stopping your Mac from going to sleep.
To do this, follow these steps:
- The next time your Mac isn’t going to sleep, open Activity Monitor
- Click on the Energy tab
- Now you’ll see a list of applications with a number of columns, one of which should be headed “Preventing Sleep”
- Now check to see if any applications have a “Yes” listed in this column
IMPORTANT: If an application has an expansion triangle to the left of its name, make sure you expand it to confirm whether anything is preventing your Mac from going to sleep. For example, web browsers such as Safari often have multiple windows/tabs open and one of these could be preventing your Mac from going to sleep. However, this will not be obvious unless you click on the expansion triangle.
- If so, you can force them to Quit by selecting them and pressing optioncommandQ
- Now wait to see if your Mac will go to sleep
Notes:
- If you don’t see a “Preventing Sleep” column at Step 3, then go to View > Columns > Preventing Sleep to display it.
- If no applications are listed as preventing sleep, then let me know via the comment box below and we'll proceed with other steps.
For people that like command line options - there is an assertions log that shows what is going on - things that make the Mac think you are active, things that will block sleep, etc...
pmset -g assertions
This is the same information that the activity monitor shows, just more detail and you can see items come and go by letting the log run:
pmset -g assertionlog
One nice thing about command line is you can ignore everything that doesn't have "sleep" in it:
pmset -g assertionslog|grep -i sleep
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
You’ve done a pretty good job so far of troubleshooting this yourself and there are many things that prevent sleep out of the box and by design.
What I would do next is exactly what you’re asking about - a targeted check to see if an application is what’s stopping your Mac from going to sleep.
To do this, follow these steps:
- The next time your Mac isn’t going to sleep, open Activity Monitor
- Click on the Energy tab
- Now you’ll see a list of applications with a number of columns, one of which should be headed “Preventing Sleep”
- Now check to see if any applications have a “Yes” listed in this column
IMPORTANT: If an application has an expansion triangle to the left of its name, make sure you expand it to confirm whether anything is preventing your Mac from going to sleep. For example, web browsers such as Safari often have multiple windows/tabs open and one of these could be preventing your Mac from going to sleep. However, this will not be obvious unless you click on the expansion triangle.
- If so, you can force them to Quit by selecting them and pressing optioncommandQ
- Now wait to see if your Mac will go to sleep
Notes:
- If you don’t see a “Preventing Sleep” column at Step 3, then go to View > Columns > Preventing Sleep to display it.
- If no applications are listed as preventing sleep, then let me know via the comment box below and we'll proceed with other steps.
For people that like command line options - there is an assertions log that shows what is going on - things that make the Mac think you are active, things that will block sleep, etc...
pmset -g assertions
This is the same information that the activity monitor shows, just more detail and you can see items come and go by letting the log run:
pmset -g assertionlog
One nice thing about command line is you can ignore everything that doesn't have "sleep" in it:
pmset -g assertionslog|grep -i sleep
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
add a comment |
You’ve done a pretty good job so far of troubleshooting this yourself and there are many things that prevent sleep out of the box and by design.
What I would do next is exactly what you’re asking about - a targeted check to see if an application is what’s stopping your Mac from going to sleep.
To do this, follow these steps:
- The next time your Mac isn’t going to sleep, open Activity Monitor
- Click on the Energy tab
- Now you’ll see a list of applications with a number of columns, one of which should be headed “Preventing Sleep”
- Now check to see if any applications have a “Yes” listed in this column
IMPORTANT: If an application has an expansion triangle to the left of its name, make sure you expand it to confirm whether anything is preventing your Mac from going to sleep. For example, web browsers such as Safari often have multiple windows/tabs open and one of these could be preventing your Mac from going to sleep. However, this will not be obvious unless you click on the expansion triangle.
- If so, you can force them to Quit by selecting them and pressing optioncommandQ
- Now wait to see if your Mac will go to sleep
Notes:
- If you don’t see a “Preventing Sleep” column at Step 3, then go to View > Columns > Preventing Sleep to display it.
- If no applications are listed as preventing sleep, then let me know via the comment box below and we'll proceed with other steps.
For people that like command line options - there is an assertions log that shows what is going on - things that make the Mac think you are active, things that will block sleep, etc...
pmset -g assertions
This is the same information that the activity monitor shows, just more detail and you can see items come and go by letting the log run:
pmset -g assertionlog
One nice thing about command line is you can ignore everything that doesn't have "sleep" in it:
pmset -g assertionslog|grep -i sleep
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
add a comment |
You’ve done a pretty good job so far of troubleshooting this yourself and there are many things that prevent sleep out of the box and by design.
What I would do next is exactly what you’re asking about - a targeted check to see if an application is what’s stopping your Mac from going to sleep.
To do this, follow these steps:
- The next time your Mac isn’t going to sleep, open Activity Monitor
- Click on the Energy tab
- Now you’ll see a list of applications with a number of columns, one of which should be headed “Preventing Sleep”
- Now check to see if any applications have a “Yes” listed in this column
IMPORTANT: If an application has an expansion triangle to the left of its name, make sure you expand it to confirm whether anything is preventing your Mac from going to sleep. For example, web browsers such as Safari often have multiple windows/tabs open and one of these could be preventing your Mac from going to sleep. However, this will not be obvious unless you click on the expansion triangle.
- If so, you can force them to Quit by selecting them and pressing optioncommandQ
- Now wait to see if your Mac will go to sleep
Notes:
- If you don’t see a “Preventing Sleep” column at Step 3, then go to View > Columns > Preventing Sleep to display it.
- If no applications are listed as preventing sleep, then let me know via the comment box below and we'll proceed with other steps.
For people that like command line options - there is an assertions log that shows what is going on - things that make the Mac think you are active, things that will block sleep, etc...
pmset -g assertions
This is the same information that the activity monitor shows, just more detail and you can see items come and go by letting the log run:
pmset -g assertionlog
One nice thing about command line is you can ignore everything that doesn't have "sleep" in it:
pmset -g assertionslog|grep -i sleep
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
You’ve done a pretty good job so far of troubleshooting this yourself and there are many things that prevent sleep out of the box and by design.
What I would do next is exactly what you’re asking about - a targeted check to see if an application is what’s stopping your Mac from going to sleep.
To do this, follow these steps:
- The next time your Mac isn’t going to sleep, open Activity Monitor
- Click on the Energy tab
- Now you’ll see a list of applications with a number of columns, one of which should be headed “Preventing Sleep”
- Now check to see if any applications have a “Yes” listed in this column
IMPORTANT: If an application has an expansion triangle to the left of its name, make sure you expand it to confirm whether anything is preventing your Mac from going to sleep. For example, web browsers such as Safari often have multiple windows/tabs open and one of these could be preventing your Mac from going to sleep. However, this will not be obvious unless you click on the expansion triangle.
- If so, you can force them to Quit by selecting them and pressing optioncommandQ
- Now wait to see if your Mac will go to sleep
Notes:
- If you don’t see a “Preventing Sleep” column at Step 3, then go to View > Columns > Preventing Sleep to display it.
- If no applications are listed as preventing sleep, then let me know via the comment box below and we'll proceed with other steps.
For people that like command line options - there is an assertions log that shows what is going on - things that make the Mac think you are active, things that will block sleep, etc...
pmset -g assertions
This is the same information that the activity monitor shows, just more detail and you can see items come and go by letting the log run:
pmset -g assertionlog
One nice thing about command line is you can ignore everything that doesn't have "sleep" in it:
pmset -g assertionslog|grep -i sleep
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
edited Jul 19 at 12:35
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
answered Jul 16 at 11:08
Monomeeth♦Monomeeth
49k8 gold badges103 silver badges149 bronze badges
49k8 gold badges103 silver badges149 bronze badges
add a comment |
add a comment |
