Must admit I never use sleep or hibernate on my desktop PCs.
They are either fully on (monitor turned off), if I'm going to come back to them within a couple of hours, or they are shut down.
I lost confidence in sleep because one XP machine used to often crash as it came back out of sleep mode.
I'm sure modern machines are fine, but I've got into that habit of usage.
I've just done a quick test on a laptop on w8
30w powered normal use
10-11 w sleep
10w hibernate
Gets up to 49w when coming out of sleep/hibernate to normal use.
From sleep there is no reboot, I just press the switch, there's a click and I'm back in right there and then. I'd have thought this would be a far less onerous for the hard drive.
Nowadays my desktop PC is potentially called upon at any time to be a file server for other devices on my home network so it's only switched off when I'm out.
Otherwise when I'm not using it I just put it to sleep so it's able to be woken up by my tablet or netbook or RPi or Xbox or whatever.
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Reboot it once a month or so, and turn it off when im on holiday or away for a day or more.
They are either fully on (monitor turned off), if I'm going to come back to them within a couple of hours, or they are shut down.
I lost confidence in sleep because one XP machine used to often crash as it came back out of sleep mode.
I'm sure modern machines are fine, but I've got into that habit of usage.
I would hazard a guess tealady would actually get a reading of 10W if they shut down the laptop too.
When a laptop is off, but is still plugged in, most transformers are still drawing power!!!
Otherwise when I'm not using it I just put it to sleep so it's able to be woken up by my tablet or netbook or RPi or Xbox or whatever.