Can't speak for OP, but morning cold showers do the following: - at first shock you into being very alert and awake - then after a couple of minutes as your bod

Can't speak for OP, but morning cold showers do the following: - at first shock you into being very alert and awake - then after a couple of minutes as your body acclimates, there's a rush of calmness. Overall, you end up feeling calm and alert. No coffee needed =).