Open Windows PowerShell with administrative rights and run the command

powercfg.exe /h off

This way the computer will never enter hibernate mode and you will save disk space.
If you want to check for any problems with the power state of the machine you can generate a report by typing this command

powercfg.exe /energy

you will wait for 60 seconds

S C:\WINDOWS\system32> powercfg.exe /energy
Enabling tracing for 60 seconds...
Observing system behavior...
Analyzing trace data...
Analysis complete.

Energy efficiency problems were found.

15 Errors
13 Warnings
18 Informational

See C:\WINDOWS\system32\energy-report.html for more details.

now open with the browser the report.