Depends on which part of the big ball you are located. If the nights are smaller for you, there isn't really a way to get good long sleep.

Yes, especially near the end. You need to stop eating when the first rays of light can be seen which is a few hours before sunrise. As this starts becoming earlier and earlier you get to a point where it’s hardly worth going to sleep and waking up to eat. Also, you’re in the mosque till late for night prayers.