By a non-stop period I mean the part of a match between stops, the beginning or end of a period. A faceoff always follows. Of course, the target segment may contain other faceoffs after a goal or penalty.
So, the periods of games with the longest non-stop parts (current season):
Recent season (2019-2020):
Reverse situation when there were too many stops in games (ongoing season):
Grouped by periods (current season):
Games with the fewest stops (current season):