The tcpkeepalive fix has worked for me under both Mojave and Catalina. as reference for pmset and easier to read than man pmset. It has had a few updates since I first read it. though I did not modify hibernate mode as it suggests – I have left it at 3. References I have found useful, though now : I apologise that I didn’t use Consolation3 to discover this. I have also tweaked standbydelayhigh and standbydelaylow, but these are less important. This stops the frequent wakes during the night to check mail, etc. Pmset -g log | egrep ‘\b(Sleep|Wake|Start)\s’Īnd then use pmset -b commands change sleep settings. Pmset -g log | grep -e “Wake from” -e “Dark Wake” To see what was going on, one of more of these Terminal commands: My experience with my MacBook 2016 which consumed too much battery overnight:
The purpose for this is unfathomable as I can’t understand why macOS thinks I want to check email (amongst other things) all night long whilst I (and the Mac) are supposed to be asleep.
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Otherwise the Mac quietly wakes up during the night. I have found that I need to need to use the pmset command to control things. I am not confident that unchecking boxes (as in the linked Apple article) is sufficient to control waking up. If you don’t know exactly when that happened, that can get tedious. If your Mac continues to wake when it should be asleep, then the only reliable way to establish what is happening is to browse your log, using Consolation 3 to identify the event which caused it to wake. Then all notifications should be suppressed when your Mac is asleep, except for those of Find My Mac, which you do still want to work. When the screen is locked (10.15 only),Įnsure that the bottom two boxes are unchecked, or they will allow your Mac to wake for:.The best way to ensure that your Mac doesn’t get woken up by notifications is using the Do Not Disturb (DND) settings at the top of the list at the left. The better apps are listed in the Notifications pane, but when you view their settings, there’s no control to suppress or mute them during sleep. The most common problems now are notifications, which seem to come from every man and his dog, many of which don’t appear entirely under your control. In addition to ensuring that your Mac isn’t offering a sharing service which could wake it up, open the Energy Saver pane and uncheck the item Wake for network access. Opening the lid of a recent laptop model or connecting it to mains power, which automatically wake it.Īpple explains in detail the Wake on Demand system which allows connecting clients to wake a sleeping Mac which is sharing to them, in this article, now sadly archived.
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To fix this, open the Bluetooth pane, click on the Advanced… button, and uncheck the last item, to Allow Bluetooth devices to wake this computer.
You can discover those by opening Activity Monitor, switching to its Energy tab, and clicking once on the head of the list Preventing Sleep. Network activities which wake the Mac (see below).Sleep itself can be prevented by the following: The end result is that when they do want to use them again, perhaps the following morning, their batteries are partially discharged – more than they should had they remained asleep. A few Mac users have recently been complaining that their MacBooks/Pros/Airs keep waking from sleep.