The most effective team-level deep work norm is 2–3 designated no-internal-meeting morning blocks per week — coordinated across the team so all members have simultaneous access to distraction-reduced time. This produces three compounding benefits: all members have regular deep work access; the open floor is quieter during these blocks (fewer calls, fewer collaborative conversations); and the social norm of focused work is visibly reinforced when the whole team practises simultaneously. Paired with HIGHKA pod availability for those who need ISE elimination for their most demanding sessions, this team norm produces measurable sustained improvement in team output quality over months.