Buffer meetings with breathing space

Build whitespace into the day to give breathing space

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Do not book more meeting time than is needed

That said, the extra time could be used to Buffer meetings with breathing space, so there are benefits to this approach too - but that requires explicit buy-in from all participants.
Interrupt Knowledge Workers as a Last Resort

Buffer meetings with breathing space to factor in the downtime, allocate space for reflecting and re-calibration and prevent further interruptions.
Knowledge Working

Buffer meetings with breathing space
Promote calendar transparency

Buffer meetings with breathing space
Set boundaries and routines to support wellbeing

Buffer meetings with breathing space