both my iMacs turn off/reboot while in sleep
58261
iMac randomly shuts down
66518
How do I turn off MacBook display when I have an external display?
17634
How do you turn off Bluetooth on startup using MacBook Air and macOS Sierra?
153329
Disable power LED blinks during Vista hybrid sleep?
92194
Windows 10 gets shutdown instead of going to sleep/hibernate
53562
Force "low power mode" on mac
38337
How do I disable the sleep button on my keyboard?
4398
Keyboard shortcut to sleep a Mac
149811
Hardware issue on iMac, flashing question mark
98716
Is there any way to kill or end a process in "disk sleep"
84715
Bluetooth Issues after Sleep in OS X Yosemite (10.10)
43114
How do I set OS X to boot by default?
151446
how to quickly reboot from OSX to Windows and back
148698
MacBook Pro never goes to sleep
49749
How can I keep my Mac awake AND locked?
34102
Can I manually put an external hard disk to sleep?
60085
How to automatically make my PC sleep and wake up?