He becomes most weary and apt to fall asleep just before the end of his watch. Likewise, the closer we get to the end of this system of things, the greater the challenge for us to stay awake.
अपने पहरे के आखिरी कुछ घंटों में उसके लिए जागते रहना मुश्‍किल होगा, क्योंकि वह बहुत थक चुका है ।