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The Library

Sleep Science

What sleep does for body and mind, and the small rituals — Persian and modern — that help it come.

The Modern Science of Sleep — Why 7 Hours Changes Everything

Few things in modern medicine affect as much as getting enough sleep. It touches your mood, memory, blood sugar, immunity, heart, and even how your body ages.

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Persian Evening Wind-Down — A Practical Ritual

A calm hour before bed may be the most overlooked sleep aid in modern life. Persian tradition has made space for one for centuries — and it asks for almost nothing.

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Sleep and Hormones — Cortisol, Insulin, and the Midnight Repair

Sleep is your body's nightly hormonal reset. Even one short night raises cortisol, blunts insulin sensitivity, and shifts your hunger hormones the next day. Repeat that week after week, and those small shifts add up to real disease risk.

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Sleep for Women — Perimenopause, Menopause, and the Restless Years

Roughly half of women report real sleep disturbance during the menopause transition. Most of it is treatable — and simply naming what's happening is the first step.

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Chamomile — The Evening Cup

Small white-and-yellow flowers that almost every traditional culture independently figured out to brew in the evening. The result is one of the most studied calming teas in the world — gentle enough for children, useful enough for adults who simply cannot land at the end of the day.

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Sleep Hygiene Fundamentals — The Small Habits That Build a Good Night

Sleep is less a switch than a slow descent. A handful of unglamorous habits — light, temperature, timing, and wind-down — make the descent reliable.

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Morning Sunlight — The Free Medicine That Anchors Your Day

Ten minutes of outdoor morning light, within an hour of waking, sets the circadian clock for the entire day. It is one of the simplest, free, and most underused health practices on earth.

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Insomnia — Letting the Body Remember Sleep

Insomnia is the most treatable common sleep problem. The first-line treatment is behavioral, not pharmaceutical.

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