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.

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.