midnight
I 'll help you right back , and send Martha to you . You 'd better crawl into your little nest again as soon as you 're thoroughly dry , and do n't venture outside again until I come and get you , my storm-bird . '' `` Father , '' she said , as he was about leaving her at the cabin door , `` do you _ never _ sleep ? I left you up at midnight , and I find you up at dawn . '' `` Sleep ? Oh , yes , sometimes . That 's the last thing a captain thinks of , though .