SI WorkHub Feature Spotlight🔬 Sophie Leroy (2009, OBHDP) Attention Residue & Kleitman (1963) 90m Ultradian Rhythm
Batch Scattered Meetings & Recover 70+ Minutes of Deep Focus Daily
Eliminate 23-minute post-meeting attention residue by clustering fragmented calendar calls and protecting 90-minute Ultradian focus blocks.
Identifies unusable 20–30 minute calendar fragments between meetings
Recommends clustering windows so you unlock uninterrupted 90-minute maker blocks
Quantifies daily focus minutes recovered from eliminated context switches
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Frequently Asked Questions
What is Sophie Leroy Attention Residue?
Sophie Leroy's (2009) research proved that switching from a brief meeting or unfinished task leaves cognitive residue for ~18–23 minutes, slashing deep-work output.
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