The Japanese have a habit of drinking water right after waking up in the morning.
This has been a common practice in ancient times and became popular again around World War 2 after it was published in a Japanese newspaper.
Scientists have confirmed that this practice offers numerous health benefits, as it prevents serious diseases, and treats: asthma, eye diseases, menstrual disorders, headaches, high cholesterol, body aches, heart issues, constipation, accelerated heartbeat, epilepsy, diabetes, bronchitis, TB, meningitis, kidney disease and urinary tract, vomiting, gastritis, diarrhea, piles, diseases of the uterus, diseases of the ear, nose and throat.