Holy crap, the number of people who do a set, then sit for five minutes playing with their phone before doing another set is just horrifying. They probably wonder why they aren't seeing a lot of benefit despite "working out" for an hour three times a week.

To be fair if you're working hard it can take 3-5 minutes for glycogen stores to rebuild for the next hard set.

Especially in a shared environment where people may be waiting, excessive rest periods are inconsiderate. However, there is certainly some merit to longer rest periods between sets being beneficial.

https://suppversity.blogspot.com/2016/05/not-resting-long-en...