Japanese culture has unique drinking habits, including bedtime drinks. Green tea, milk, sake, umeshu, oolong tea, barley tea, hojicha, chamomile tea, rooibos tea, yuzu tea and aloe vera juice are popular choices for Japanese people before bed. Each drink offers unique properties that promote relaxation and induce sleepiness. Green tea contains L-theanine while milk has tryptophan. Sake contains melatonin and umeshu is believed to have relaxing properties. Oolong tea has antioxidants while barley tea is caffeine-free and ideal for hot summer nights. Hojicha has very little caffeine and chamomile tea contains apigenin which reduces anxiety. Rooibos tea has no caffeine and yuzu fruit contains limonene which promotes relaxation. Aloe vera juice contains magnesium which promotes relaxation as well as vitamins C and E which act as antioxidants with anti-inflammatory properties that can help reduce stress levels.