Matthew Walker, PhD, is a renowned sleep scientist and the author of the bestselling book 'Why We Sleep: Unlocking the Power of Sleep and Dreams.' His research focuses on the impact of sleep on human health and well-being, emphasizing its critical role in cognitive function, emotional regulation, and overall physical health.

In addition to his writing, Walker is a professor of neuroscience and psychology, where he educates others on the significance of sleep. His work has contributed to a greater understanding of sleep disorders and the societal implications of sleep deprivation, making him a leading voice in the field of sleep science.