Apple does a good job of making sleep efficient, but it is still uses 4x-5x more power than shutdown also known as idle. You can read more about this on Apple's site and select the report for your Mac. Also, shutting down a Mac still causes some power drain and is referred to as "idle" by Apple. For me, I set automated sleep and wake times and almost never reboot. Can't believe almost every one of these recommendations is saying to NOT restart your computer on even a semi-regular basis.
I have a rMBP which I restart at least once a week. I also have a Early iMac that acts as a server that I restart at least twice a month.
I work in IT for a large, Mac-based school district. I cannot tell you the number of times that a simple restart fixes simple issues and how much better my staff's computers run if they restart once a week. On average, especially if your machine gets used quite a bit; I would recommend restarting your Mac or any computer for that matter at least once a week.
A lot of it depends on how you use your Mac. In the end, if you're Mac isn't a server, then restart it every once in awhile. No, with the exception of restarts for software updates, shutting down your iMac or Mac Mini is not necessary. You are quite correct that you can put your device to sleep for long periods of time or even leave your device up and operating without causing any damage to the device, so long as proper precaution is taken to ensure surge protection for your electronics. An even better solution would be to provide some form of backup power supply with a USB link to your device that works in OSX so that when a power loss is detected the device will shut down properly for you to be able to resume your uptime later.
Save a few bucks by turning your Mac off or letting it sleep
Most servers or datacenters have operated this way for years already, and the difference between the service life of servers and home hardware has come increasingly closer over the last decade. The days of the recommendation being to shut your PC down whenever you aren't at it are becoming increasingly out-of-date.
I'm happy leaving my iMac on all the time. I sleep it overnight and any time I'm away from my desk for more than a few minutes. The power consumption during sleep is extremely low; by Apple's data , only 1. Even idling it's a pretty efficient machine. I apologize for necroposting old thread but I am compelled to correct one critical fact. I agree that it is generally fine to let your modern Mac run while leaving sleep and energy management to the operating system.
Apple does not call "Shutdown" "Idle"!
From Apple directly we have: TomRou read that page that he quoted incorrectly. I leave all my Mac devices on all the time, has had no effect on battery life where applicable , or performance.
Recommended Items for iMac Pro and iMac 5K
It's not necessary It was big disapoitment, when I realize by meter , that iMac consumes 9W in sleep mode, but also 9W if it is OFF — so you have to unplug it, to have 0. Nine W — that's like one small energy-saving light bulb I suspect your system is pulling closer 0. Yes - turn your unit off, as opposed to Sleep or Restart, at least once per week to enable the built in Apple optimization processes designed to run at shut down and startup to do their thing.
Give your units a night off. We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations.
Is it better to leave mac mini in sleep mode or shut it down
Go to Apple's Environmental Responsibility Report page , and you can see the energy diet of every Apple hardware product made back to Going to the list, I found that the inch iMac uses My next calculation was to determine how much energy I'd use if I set the Energy Saver system preference to shut the device down for 9 hours every day when I know I'm not going to use the iMac.
In that mode, the iMac would use about My last calculation determined how much I'd save if I just set the iMac to sleep when I'm not using it, so basically it's running for about 8 hours and sleeping for 16 hours on weekdays, or running for 2 hours and sleeping for 22 on weekends. In that situation, the iMac uses about Still, that's not all that great. My reticence towards using sleep mode on this computer was based on past experiences where "waking up" just took too damned long, but this iMac jumps back from sleep mode very quickly. How about you, readers? Do you shut 'em down every night, let them sleep, or just have the display go dark when you're not using your favorite Mac?
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