Rav Of Chelm

The מהרש"א, who was Rav in Chelm* wrote this about בין הזמנים   " the Bachurim waste most days during Bein Hazmanim. They walk the streets  wasting time  going on trips."            * His mother in law Eidel financed his Yeshiva for 20 years.  After her death, he became Rav in Chelm, Lublin, and Ostroh **(אגדות מהרש"א שבת קי"ט ע"ב)