every 2 and a half to 3 hours you have to keep feeding your body if you wanna promote growth, if you train day and night, take every supplement on earth but you don't eat protein which is the fuel for the muscle tissue, you're not gonna grow, you can bench press 500 kg, but if you don't feed your muscles you're not gonna bigger, you're not gonna grow, you're not gonna progress, you wanna have a meal soon after you