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Consultant Neurologist & Sleep Physician
Dr. Guy Leschziner
Dr. Guy Leschziner is a consultant neurologist and sleep physician specializing in the neuroscience of sleep, circadian rhythms, and how sleep deprivation rewires brain function and metabolism. He translates sleep research into practical, actionable understanding for how your body clock controls appetite, emotion, and long-term health outcomes.
Known For
Sleep and circadian rhythm expertiseMetabolic effects of sleep deprivationCritical analysis of sleep tracking technologyNeuroscience of sleep architecture