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I have a 2019 Retina 5k 27 inch running Monterey. With no peripherals or WiFi connected it and Time machine turned off it draws 134W when asleep, I was expecting a lot less. It appears to be asleep but I think it is faking it. When it's awake it draws 191w.
Do you think I have a problem, if so what can I do about it.
macOS has some Automatic Sleep issues.
If your are running Monterey, try the following Energy Saver settings.
Then manually select Sleep from the Apple dropdown menu at the end of each day.
The external drive(s) should also sleep shortly after selecting manually Sleep.
macOS has some Automatic Sleep issues.
If your are running Monterey, try the following Energy Saver settings.
Then manually select Sleep from the Apple dropdown menu at the end of each day.
The external drive(s) should also sleep shortly after selecting manually Sleep.
hcsitas wrote:
Sleep is useless on later Macs, as you’ve found out. To really save energy and not deceive yourself into thinking you’re saving energy, shut, especially for overnights & long absences.
If your power-ups are brisk, perform a full shut instead of manual sleep. If not, post a separate discussion on that.
All the best!
Shutting down frequently clears out temporary system and application cache and swap files and helps to improve performance.
Is Power Nap on your Mac on? If so, you might want to turn that feature off . It is enabled by default
On your Mac, choose Apple menu 
> System Settings, then click Energy Saver 
in the sidebar. (You may need to scroll down.)
Turn on Enable Power Nap on the right.
Note: This option is only available on Intel-based Mac computers.
Sleep is useless on later Macs, as you’ve found out. To really save energy and not deceive yourself into thinking you’re saving energy, shut, especially for overnights & long absences. I’m not sure why @den.thed doesn’t - maybe his computer takes forever to startup. If your power-ups are brisk, perform a full shut instead of manual sleep. If not, post a separate discussion on that.
All the best!
hcsitas wrote:
I’m not sure why @den.thed doesn’t - maybe his computer takes forever to startup.
Hey' we all have different experiences and strategies. I'm not knocking yours, so please do not refer to mine in this way.
FWIW all of our current Mac's have either SATA SSD's or Flash Storage and they all cold start or restart in around 30 seconds. They all including our latest M1, Manual Sleep from the drop down menu and then Wake without issue.
With that said, Auto Computer Sleep is the problem and not Manual Computer Sleep.
It's more of an ergonomics thing for us. We have multiply setups and the last thing I need, is for the Misses or Grandkids to knock something over reaching for a power button. Plus in all of my years of having Mac's, I have never had a single hardware failure from sleeping them 24-7.
I've always used manual sleep so its always ready to go. But to be honest with the cost of energy these days It is going to be a lot cheaper to power it off. It only takes a minute to boot up anyway.
Thanks all for your thoughts
Yes power nap is off, I've been through all the usual pref settings. I've had problems with external drives not sleeping on this mac but when I use them on my MacBook they sleep OK.
😁👍…
…🤔…still don’t get why you love manual sleep, but agree, it’s your unquestionable right! Stay cool 🍻
Ok! That makes sense, thanks for sharing.
Thanks, Toad! Good information, +1.
Power consumption on iMac whilst sleeping
