The most effective approach is additive rather than restrictive: add protected focus blocks to the team schedule while maintaining all existing collaboration time. A typical implementation: mornings (9:00–11:30) protected for deep work across the team, with meetings clustered in afternoon slots (13:00–16:00). This preserves 100% of current meeting and collaboration time while creating a daily 2.5-hour focused work window for every team member. Teams consistently report that the quality and speed of output in their collaboration time improves when individual deep work sessions precede it — because team members arrive at collaborative sessions with clearer thinking, more complete work, and fewer open cognitive loops.