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A bad night's sleep can leave you waking up drained. But unlike a phone, your energy doesn't necessarily keep falling throughout the day. In workplace research, people often report a rise in energy during the morning, a peak around midday, and a decline later.
Dr. Oliver Weigelt, assistant professor of organizational psychology at the University of Groningen, joins Neil Hedley to discuss what sleep quality changes about our starting point, the effort paradox, why afternoon fatigue is more complicated than it seems, and where shift work fits—or doesn't fit—into the evidence.
This observational study followed 106 employees across up to 10 workdays; its group-level patterns are not universal recommendations or sleep treatments.
Research: Handschuch, Weigelt and colleagues, Journal of Business and Psychology (2026). Guest: Dr. Oliver Weigelt, University of Groningen.
Prefer the nine-minute version? Listen to Oliver Weigelt on The Snooze Button EXPRESS.
In North America alone, there are about 100 million people with sleep issues. Maybe you’re one of them. Every week, veteran broadcaster Neil Hedley sits down with celebrities, high achievers and the world’s top neuroscientists to try and find answers to his own 50-year battle with sleep issues in the hope that he might find an answer that works for you, too.