The Good-Sleep Blog

Practical guides to sleeping well at every age and in every season.

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  How Much Sleep Do Kids Need? An Age-by-Age Guide for Parents

  How many hours kids and teens need by age, signs your child isn't getting enough, and bedtime routine ideas that actually stick.

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  Deep Sleep vs REM Sleep: What's Normal and How to Get More

  What deep sleep and REM sleep do, how much is normal, why your sleep tracker numbers vary, and the habits (including bed temperature) that protect both.

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  What Is the Best Temperature for Sleep in Winter?

  The best bedroom and bed temperature for sleep in winter: why a cool room and a warm bed beats cranking the heat, and how heated toppers help cold sleepers.