TOKYO -- Powdered matcha green tea can improve the quality of sleep and partially enhance cognitive function, results from a Japanese clinical trial suggest.
Taking pill form also shows benefits for dementia symptom, researchers say

Taking 2 grams of matcha green tea powder daily is found to help with sleep and cognitive ability. (Photo courtesy of Ito En)
TOKYO -- Powdered matcha green tea can improve the quality of sleep and partially enhance cognitive function, results from a Japanese clinical trial suggest.