gave | Monday, March 29, 2021 – 13:10 | Last Updated: 29 03 2021 – 13:11 Indicating that cortisol, also known as the stress hormone, is most intense 1 hour after waking up, Öğr. See. Merve İşeri said, “Caffeine intake during this period increases the secretion of this hormone and also reduces the physiological effects of caffeine”. Lecturer See. Merve İşeri said, “It will be more beneficial for health to drink the first coffee of…"‘Coffee should be drunk an hour after waking up’"