They actually covered the beach and the rocks, opening their huge mouths, armed with very sharp teeth, more frightful than dangerous.

As it was night when we entered the bay, they were all sleeping, but they produced a most deafening noise with their breathing.
We left them to their noisy slumber; for us, alas! no such comfort remained.

The continual anxiety attending an affliction like ours destroys all repose, and for three days we had not slept an hour.

Since the new misfortune of Jack's captivity, we were all kept up by a kind of fever.

Fritz was in a most incredible state of excitement, and declared he would never sleep till he had rescued his beloved brother.