Sleep Smarter

Better Sleep Without the Hype

Sleep advice has become crowded with gadgets, supplements, scores, and elaborate routines, making it hard to tell what actually helps.

Sleep Smarter cuts through the noise with a practical, evidence-based approach to better rest.

Lena U. Voss explains the fundamentals of healthy sleep and shows how to focus on the few habits that matter most:

The book also examines popular sleep products and trends, including trackers, weighted blankets, cooling products, blue-light glasses, melatonin, magnesium, sound machines, sleep apps, mouth tape, and expensive mattresses. For each one, it separates strong evidence from uncertainty and hype.

Readers will learn how to spot exaggerated claims, avoid perfectionism, and build a calmer, simpler routine. Reassuring and clear, this guide helps adults spend less on unnecessary products and stop turning bedtime into another optimization project.