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Sleep Science Blog

Sleep Supplements

Research-backed guides on REM sleep, deep sleep, sleep supplements, temperature, and everything that affects your sleep quality.

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Sleep Supplements

Magnesium Glycinate for Sleep: What the Research Actually Shows

Magnesium glycinate is the most consistently recommended sleep supplement among sleep researchers. Here is what the evidence actually shows, the correct dose, and what to realistically expect.

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Temperature Is the #1 REM Lever

The Easiest Way to Get More REM Sleep Starts Tonight

Keeping your sleep surface at 65-68°F is one of the most evidence-backed interventions for increasing REM sleep. The Good Sleep System does this automatically, all night, without a subscription or a $5,000 price tag.

Shop Good Sleep System Learn About Sleep Temperature

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