They were afraid of ending up dying in their sleep.
We can arrive at this answer because:
- The book shows how the brick factory where the homeless lived was filled with snow.
- They were exhausted and very cold, for that reason it was very easy to fall asleep and they all really wanted to sleep.
- However, falling asleep here was very dangerous as the snow could freeze them and they might never wake up.
- Their biggest fear, in this case, was ending up sleeping, which was not difficult to happen.
This question is about the book "Night" written by Elie Wiese, which tells of the terrors of the Nazi concentration camps.
More information about it:
https://brainly.com/question/1693018