Alright, I'm having a problem with the recent OS X update (10.10). Each night, instead of shutting the computer down, I put it sleep instead. I do this because whenever I turn on the computer when powered down, the monitor 19/20 times doesn't turn on in conjunction with the processor, and I'm left with no vision. So I have to continually turn on/off the processor, until eventually the monitor will spark to life as well. This usually takes 30 minutes of effort. Anyway, for the previous months, putting the computer to sleep has been a temporary solution to this problem, but now with the recent update to 10.10, several hours into sleep mode, the computer magically springs back to life for no apparent reason. It wakes from sleep mode, and returns to it about a minute later, only to wake immediately again. The noise of the processor powering on and off continually until I do something about it is frustrating. It is only until I make the effort of restarting the computer, and then putting it into sleep mode again will it stay in that mode, but only for another few hours until the problem arises again. To sum up; since the OS update, my computer has an unusual habit of waking itself from sleep mode without my involvement several hours into it's state. It doesn't cease waking/sleeping until I restart the computer to buy more time. I have checked that the computer is not set to wake at a certain time in the system preferences, nor wake when there is activity of any sort (Bluetooth, Internet, etc.). I don't know what's causing it. I want to solve this, because otherwise I'm left with the previous problem of shutting down my computer with each use, leaving me to contend with annoying 30-minute start-up times.