If you meet for 2 - hour block periods, one or two class sessions might suffice. (educationworld.com)
Plan for at least three shorter activities (or an activity with multiple steps) within a single block period to help students stay focused. (teachhub.com)
Beyond the downside of not having sufficient discretionary time to recharge, another consequence is that there is so little room in the modern day student's schedule that «time management» becomes an exercise in either compressing homework (and studying and projects) into a finite and blocked period of time, or sacrificing sleep (another topic for another day and a reality for many students). (psychologytoday.com)