Want to sleep better?
Eat more of these vitamins.
This means that vitamin A might positively influence healthy sleep patterns.
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But, interestingly enough, this2024 studyand2022 studyboth found low thiamin levels to actually be associated withoversleeping.
Vitamin B6 is associated withimproved mental health, resulting in better overall sleep, saysAmy Davis, RDN.
B6 also targets irritating restless leg syndrome (RLS) symptoms that keep many Americans awake at night.
This2022 randomized control trialfound vitamin B6 supplementation to help alleviate RLS symptoms at night, promoting better sleep quality.
Vitamin B6-rich foods includechickpeas, lean meats, seafood,bananas,potatoes, and whole grains.
However, the research on this vitamin is a bit all over the place.
Whereas a2023 randomized control trialfound B12 supplementation to have no impact on sleep quality in healthy adults.
Observational research suggests higher levels of Vitamin C are associated with longer, more restful sleep, explains Davis.
This is illustrated in this2024 paperpublished inScientific Reports, and this2020 review.
Low vitamin D is associated with various sleep disorders, says Davis.
This is highlighted in this2019 analysis, this2020 study, and this2022 review.
Plus, vitamin D deficiency has also beenlinkedto obstructive sleep apnea, another common cause for poor sleep quality.
Vitamin K
And finally, research indicates thatvitamin Kmay also improve sleep quality.
Two studies outlining this benefit include this2019 analysis, and2023 study.
However, more evidence is needed surrounding this particular vitamin.
How Much of These Vitamins Should You Aim For?
Third-party verification is another excellent way to choose an effective supplement.NSFandU.S.
Three of these include alcohol,caffeine, andadded sugar.
