seven o'clock
`` Thank God , the night is over , '' Frank said at last ; `` and I have thoroughly tired myself . I have thought until I am stupid . Now I will lie down on one of the sofas , and perhaps I may forget it all for a few hours . '' Sleep , however , did not come to him , and at seven o'clock he was on deck again . `` The men went ashore at six , sir , '' the skipper said . `` I expect they will be back again before long . '' Ten minutes later the dinghy came out between two yachts ahead .