8 topics · 30 articles

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Each topic starts with a plain definition and the one article to read first.

Sleep basics

Plain-language explanations of how sleep works, what sleep quality means, and why time in bed and rest are not the same thing.

Practical sleep hygiene guidance: consistent schedules, light exposure, activity, caffeine and alcohol timing, and a bedroom set up for rest.

How to build an evening routine that helps you fall asleep faster, plus morning habits that make waking up easier.

How stress and mood interact with sleep, simple ways to calm a racing mind before bed, and when to seek support.

How what and when you eat and drink affects sleep, including caffeine, alcohol, late meals, and evening snacks.

What sleep apnea is, common signs, how at-home and in-lab sleep tests work, and what screening tools like STOP-Bang can and cannot tell you.

Insomnia explained — what it is, why it persists, why CBT-I is the first-line treatment — and the sleep conditions that can look like insomnia.

How your body clock copes with time zones, night shifts, clock changes, dark winters and hot summers — and what to do when it does not.