Chrysanthemum tea will not make you sleepy.
Chrysanthemum tea has many purported medicinal uses, including an aid in recovery from influenza, acne and as a "cooling" herb. According to traditional Chinese medicine the tisane can aid in the prevention of sore throat and promote the reduction of fever. In Korea, it is known well for its medicinal use for making people more alert and is often used to waken themselves. In western herbal medicine, Chrysanthemum tea is drunk and used as a compress to treat circulatory disorders such as varicose veins and atherosclerosis.
In traditional Chinese medicine, chrysanthemum tea is also used to treat the eyes, and is said to clear the liver and the eyes. The liver is associated with the eyes and the liver is associated with anger, stress, and related emotions. It is believed to be effective in treating eye pain associated with stress or yin/fluid deficiency. It is also used to treat blurring, spots in front of the eyes, diminished vision, and dizziness.