W10 prevents screen saver for 10 hrs then allow for 14 hrs? How to change?

My screen saver works starting at 8:am then stops working at 11PM each day. There is a timer setting for sleep/hybernate in windows that i do not know how to access. IT is a table with on/off columns for start/stop for sleep and hybernate functions. I remember seeing it and it had these times listed but do not know how to find it.