Investor Kevin O’Leary, known for his sharp business acumen on Shark Tank, is now advocating for a more balanced approach to work, reversing his previous stance that championed relentless 25-hour workdays. He now believes that prioritizing well-being and rest is essential for success, particularly for founders and entrepreneurs navigating the demanding tech landscape. This shift in perspective underscores a growing awareness of the importance of mental and physical health in achieving sustainable productivity and long-term success.
Key Takeaways
- Kevin O’Leary now considers working 18-hour days “sheer stupidity,” emphasizing the importance of sleep and well-being.
- Research suggests that sleep-deprived entrepreneurs make poorer decisions and struggle to evaluate long-term potential.
- O’Leary advises making major decisions after waking up, when energy levels and mental clarity are at their peak.
- Prioritizing sleep, nutrition, and exercise are crucial for sustained productivity and overall success, according to O’Leary.
Why Is O’Leary Changing His Tune on Work Hours?
O’Leary’s change of heart reflects a broader trend in the tech industry that recognizes the perils of overwork and burnout. The "996" schedule, characterized by working from 9 a.m. to 9 p.m., six days a week, has become increasingly common in Silicon Valley, but its detrimental effects are becoming more apparent. O’Leary now recognizes that sustainable success requires a holistic approach that prioritizes both physical and mental health. He highlights the importance of getting adequate sleep, eating well, and exercising to maintain focus and make sound decisions.
According to a Harvard University study, 55% of CEOs get six hours or less of sleep per night, a statistic that underscores the prevalence of sleep deprivation in leadership positions. This lack of rest can significantly impact cognitive function and decision-making abilities. “There’s lots of evidence that you should make the major decisions right after you wake up when you have the maximum energy and your mind is clear,” O’Leary says, indicating the importance of aligning critical tasks with peak performance times.
How Does Sleep Deprivation Affect Decision-Making?
Research consistently demonstrates that sleep is closely tied to productivity and decision-making. A 2019 study published in the Journal of Business Venturing found that sleep-deprived entrepreneurs were more likely to make poor investment choices, focusing on superficial aspects of business ideas rather than evaluating their long-term viability. The effects of decision fatigue also play a significant role.
As the day progresses, the ability to make sound judgments diminishes, leading to suboptimal outcomes. "If you show up looking half-dead, I’m not investing," O’Leary stated in his Instagram post, emphasizing that prioritizing one’s health is essential for demonstrating competence and reliability. "You’re not a hero, you’re a liability." This highlights the importance of appearing and feeling fresh, which can significantly influence investor confidence. "Burnout leads to bad decisions and missed opportunities," says Dr. Emily Carter, a cognitive behavioral psychologist specializing in executive performance. "Restorative sleep is an absolute non-negotiable for anyone in high-stakes roles."
Products/Companies Mentioned
- Shark Tank – An American business reality television series where entrepreneurs pitch their ideas to a panel of investors, including Kevin O’Leary. Now in its 15th season, the show features aspiring business owners showcasing their products or services to secure funding and mentorship.
- Instagram – A social media platform owned by Meta Platforms, Inc. (formerly Facebook) where users can share photos and videos. It has become a key tool for entrepreneurs and businesses to market themselves and connect with customers. As of 2024, Instagram has over 2 billion monthly active users.
- Meta Platforms, Inc. – A technology conglomerate owning Facebook, Instagram, and WhatsApp. With a market capitalization of $1.2 trillion as of 2026, Meta is a major player in social media, virtual reality (VR), and artificial intelligence (AI). In 2025, Meta’s revenue was $142 billion.
What This Means
- For entrepreneurs: Prioritizing sleep and well-being is not a sign of weakness, but a strategic advantage that enhances decision-making and long-term success. Aim for 7-8 hours of quality sleep each night.
- For investors: Look for founders who demonstrate a commitment to their own well-being, as this indicates a greater likelihood of making sound business decisions.
- For corporate leaders: Encourage a culture that values work-life balance and provides resources for employees to prioritize their health, reducing burnout and improving overall productivity. Implement flexible work arrangements and mental health support programs.
