Sleep Intelligence

Sleep isn't passive rest, but a critical driver of performance. In high-pressure environments, sleep is often the first thing to go. Long hours are treated as commitment. Pushing through is expected. But the cost builds, often in ways we don't immediately see, leading to distraction, poor decisions, emotional reactivity and missed signals. In this groundbreaking guide, sleep neuroscientist and executive advisor Els van der Helm, PhD, shows that sleep is not just a habit to optimise. It's a system to understand. Blending cutting-edge research with real-world stories and interviews - from global executives to frontline professionals - Dr van der Helm reframes sleep as a hidden driver of performance, resilience and leadership. Her practical, science-backed six-principle framework reveals how we can:

Perfect for leaders, ambitious professionals and anyone operating in high-demand environments, Sleep Intelligence offers a new way of thinking about sleep - and how we work, recover and live as a result.

Els van der Helm, PhD, is a sleep neuroscientist who works with global organizations to improve performance through sleep. She conducted her research at the Netherlands Institute for Neuroscience and at Harvard Medical School, where she studied the effect of sleep on cognitive performance. As a Fulbright scholar, she studied the impact of sleep on the brain and performance while pursuing her PhD in psychology at UC Berkeley, before becoming a management consultant at McKinsey & Company. She has been named one of the world's top five sleep experts by Thrive Global. Van der Helm's work has been covered in The Wall Street Journal, Harvard Business Review, TIME, Forbes, and BBC. She is a frequent keynote speaker for organizations such as Meta, Novartis, Booking.com, L'Oréal, and PwC.