Yes, sure, the fact that VIA has
grown its passenger revenue by 61% in the last 4 years (representing an annualized growth rate of 15%, even after inflation) demonstrates that VIA has to kick out its Sleeper passengers half-way between Toronto and Winnipeg for whatever benefit you have yet to specify^^.
Kudos for actually considering that whatever timetable scenarios you are envisioning actually has to be backed up by the fleet availability! Tell me what time you want a train to originate at which station, where you want it to terminate and what cars your peak consist is going to have (Locomotive - Baggage - Economy - Skyline - Diner - Sleeper - Prestige Sleeper - Park; don't forget to specify quantities for every car type) and I can draft you a timetable (assuming the current scheduled run times) and comment on what frequencies you might be able to cover with the current fleet requirement of the Canadian...
.