human
We shall want a breeze to-morrow to carry us to the shore, though I hope it will remain calm as at present until then, thought Tom. He very frequently had the greatest difficulty in keeping his eyes open, but he succeeded. He calculated that it was about midnight when he went below, and finding that it was time, roused up Gerald.
gpt
Do not let sleep overtake you, old fellow, he said.
human
I found it a hard matter to keep my eyes open.
gpt
Yes, but mine have been shut for four hours, said Desmond.
human
I'll look after the ship, and depend upon it as soon as my watch is out I'll rouse up Jerry.