Sleep Hygiene

Nutrients connected to Sleep Hygiene

A link means the body needs the nutrient for this, or that low intake is linked to it. It does not mean extra supplements help if your intake is already adequate; each link shows how strong the evidence is.

• CoffeeDocumented risk

  The sleep review found timing and dose relationships, which is why coffee timing matters for sleep.

• Energy DrinksDocumented risk

  Caffeine timing and dose affect sleep.

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