Sleeping Better With Blueberry Leaf Tea

Fruits and berries get all the attention. But every once in a while, the leaf emerges from the shadows and gets the spotlight, as in olive leaf extract and raspberry leaf tea. Meet the leaf of the blueberry bush.

Blueberries are famous for their massive antioxidant content. But the leaves are also rich in polyphenol antioxidants, some of which may convert into quercetin and then may positively affect serotonin and melatonin.

This small double-blind study gave adults with poor sleep quality either a placebo tea or blueberry leaf tea 3 times a day for 2 weeks.

Sleep efficiency measures much of the time you are in bed trying to sleep is spent actually sleeping. It improved significantly more in the blueberry leaf tea group. It improved from 80.7 to 83.7 but only from 81.2 to 81.8 in the placebo group.

Measures of how much time was spent awake after initially falling asleep were also significantly better in the blueberry leaf tea group. Time spent awake decreased from 74.7 minutes to 59.7 minutes in the blueberry leaf group but only from 76.7 minutes to 73.7 minutes in the placebo group.

The study also found that people with worse sleep efficiency and time spent awake at the start of the study had greater improvement on the blueberry leaf tea, meaning it helps people who need it the most the most.

The blueberry leaf tea was well tolerated with no adverse events.

This study introduces blueberry leaf tea as a safe, simple, natural way to improve your sleep.

Nutrients. 2026 Jan 30;18(3):453.

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