I don't have many pairs of matches with 3 or 4 hours apart in this season. But I have already used to this. As I remember, in one season, all but 1 of my CL group stage matches are 3 to 4 hours apart. My team only rest for once in between 2 matches. All the cup matches also arranged like this before my team was eliminated. I reported this in forum before.

I have studied time schedule for some teams. I believe that Nordeus try to arrange matches during day time of managers. That's why matches between Asian and American teams are usually arranged in a few time slots only. If a match is scheduled in mid-night, I guess that it is an away match. The home team re-scheduled the match to this time.