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The 90-minute sleep window : how to prepare for rest
Good sleep doesn’t start at bedtime. It’s built throughout the day—with morning light, steady movement, and a regular rhythm. But the last 90 minutes before bed make the difference between shallow and deep rest. Dim the lights, move gently, close the day with calm. This simple, science-backed ritual helps your body shift from wake to restore—so sleep comes naturally and recovery runs deep.

Dr. Caroline De Graeve
Oct 23, 20253 min read


Sleep is not a luxury—It’s a biological power tool. Here’s why.
Sleep isn’t downtime — it’s your brain’s nightly reset. New science shows how deep sleep clears toxins, protects memory, and lowers Alzheimer’s risk. Quality matters more than hours: honor your rhythm, rest your mind, and design evenings that support recovery. At Human Recipe, we turn this science into habits for clarity, resilience, and a longer, healthier life.

Dr. Caroline De Graeve
Sep 27, 20254 min read
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