The step-by-step guide to NEVER DIETING AGAIN – Can I eat carbs at night? Answer: We have crazy lives, so sometimes we can’t eat until after our workout at night. I want to clear this up: carbs do not have a bedtime! Your body has no idea what time of day it is. It gets pissed if you skimp on a pre-workout meal and if you go to bed on an empty stomach afterward. Sleeping is anabolic, (meaning you build muscle during the night when you rest) so it’s important to nourish yourself properly before you hit the pillow. Do pay attention to your ability to fall asleep at night. If it’s a problem to wind down after your late-night workout, you may want to make some adjustments. If not, no worries and eat away!