In this episode of the College of Glycation, Professor Paul Reynolds shows why the same meal produces a higher glucose peak and slower clearance at night than in the morning — and why that difference is a direct driver of glycation. Controlled studies demonstrate that just six nights of sleep restriction in healthy young men impair glucose tolerance to a degree resembling normal aging. Circadian misalignment independently reduces insulin sensitivity, and the pancreas itself contains an autonomous molecular clock; when that clock is disrupted, insulin secretion fails. A late dinner raises peak glucose by roughly 18 % and reduces overnight fat oxidation, extending the daily window of elevated glucose that fuels AGE formation. Melatonin has limited anti-glycation activity against early Maillard chemistry, yet exogenous melatonin near meals suppresses insulin release and worsens glucose tolerance. Obstructive sleep apnea adds intermittent hypoxia that accelerates oxidative stress and lowers protective soluble RAGE.The practical levers are straightforward and powerful: protect 7–9 hours of sleep, get morning light and dim evening light to anchor the master clock, finish eating 2–3 hours before bed, keep any melatonin dose well away from food, and evaluate for sleep apnea when glycemic control stalls despite good diet. Glycation is concentration multiplied by time. Aligning meals and sleep with the body’s internal clocks shortens that exposure window without changing a single item on your plate.Paul’s favorite yerba mate: https://unicity.link/121f260bfe Yerbe mate with a special formulated Balance fiber: https://ufeelgreat.com/c/PaulReynolds Full Metabolic System storefront: https://shop.unicity.com/paulreynolds Paul’s favorite source for clean, earth-sourced essentials such as salt, electrolytes, hydration, pre-workout and more. Go to https://redmond.life and use PAULSALT for 15% discount. Paul’s favorite exogenous ketones: A high-quality option is the NSF-certified goBHB from Clean Form Nutrition, where you can use the code Paul10 for a 10% discount: https://cleanformnutrition.com/products/go-bhb Paul’s favorite allulose source: https://rxsugar.com (discount: PAUL20) Paul’s favorite health check-up for men or women: https://blokes.co/DRPAUL (discount: DRPAUL for 50% off of labs and smart supplements and 15% off all other products)