What makes homemade bread fall

The reason for this is that the yeast in your bread has exhausted itself and does not have any more energy after you put it in the oven. Also, your bread dough. Sadly, once your bread collapses during baking, there's no saving it. The only thing to do is to learn from the experience. You can try making. Common Bread Machine Problems. Crust is too thick: Remove bread from machine immediately after bake cycle is completed. Bread collapses.