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The Return of 9-9-6 Culture: why leaders must choose smarter, not longer, work
The BBC recently reported the resurgence of the notorious “9-9-6 culture” – the 9 a.m. to 9 p.m., six days a week schedule that was banned in China in 2021 is now creeping back into tech and AI companies. While headlines frame it as extreme ambition, the deeper issue lies in leadership mindset: some leaders still equate long hours with performance, innovation, and excellence. Yet research and practical experience tell a different story.
The Productivity Threshold
Scientific studies consistently show that productivity per hour declines sharply after a certain point. While working 40-50 hours per week can be highly productive, pushing beyond this threshold yields diminishing returns. A landmark study from the OECD found that productivity per hour drops significantly for employees working over 50 hours a week, with burnout, mistakes, and absenteeism rising dramatically. In other words, grinding longer hours does not equate to better output; it often produces the opposite.
This has clear implications for leaders: measuring commitment by visible hours worked is misleading. True performance comes from the quality of work, clarity of focus, and the energy employees bring to their roles.
Work Smarter, Not Harder
Some organisations pursue the 9-9-6 schedule in the name of innovation, yet research shows that creativity and problem-solving flourish when employees have sufficient rest, mental space, and autonomy. Sleep deprivation and prolonged stress shrink cognitive bandwidth, reducing both innovation and sound judgment.
Therefore the principle of working smarter, not harder, has never been more relevant. Leaders must design workflows, systems, and goals that maximise high-value activity while minimising wasted effort. For example, time-blocking critical thinking periods, delegating operational tasks, and leveraging collaboration tools can dramatically increase output without extending the workday.
AI and the illusion of unlimited capacity
The rise of artificial intelligence brings an added layer of complexity. AI promises to automate routine work, accelerate data analysis, and create new insights at speed.
Some leaders may interpret this as a reason to demand more of their human teams – the assumption being that if AI can deliver faster outputs, humans should match pace with longer hours. However, recent from UC Berkeley shows how AI is intensifying work rather than reducing it and therefore compounding our current busy-ness phenomenon.
Nor does AI change fundamental leadership principles. Successful leaders still need to prioritise results, judgment, and sustainable energy in their people. High-performing teams require clarity of purpose, manageable workloads, and recognition of human limitations. Expecting more hours rather than smarter use of time is a recipe for disengagement and attrition.
Lessons for Leaders
The resurgence of 9-9-6 culture offers a cautionary tale. Leaders chasing “more hours = better performance” risk eroding motivation, creativity, and long-term success. Some practical takeaways include:
- Measure results, not hours – Focus on deliverables, impact, and team outcomes rather than visible effort.
- Design sustainable workflows – Encourage breaks, focused deep work, and recovery to preserve energy and cognitive capacity.
- Leverage technology thoughtfully – Use AI and automation to reduce low-value tasks, not to justify longer human workweeks.
- Invest in judgment and autonomy – Empower employees to prioritise work that drives results, reinforcing trust and engagement.
- Monitor and model balance – Leaders set the tone; modelling healthy work habits signals that long hours are not the badge of honour they are often mistaken to be.
In today’s fast-moving tech and AI landscape, the allure of extreme hours may appear to promise accelerated progress. But the evidence is clear: sustainable performance comes from working smarter, not harder. Leaders who embrace this principle not only protect their people from burnout but also unlock the true potential of their teams – a lesson that remains as critical now as it ever was.