midnight
The anchor was hoisted , and the sails were set , but the noise failed to rouse them . Weariness of body and anxiety of mind both conspired to make their sleep profound . Yet in that profound sleep the anxiety of their minds made itself manifest ; and in their dreams their thoughts turned to their lost companion . They saw him drifting over the stormy waters , enveloped in midnight darkness , chilled through with the damp night air , pierced to the bone by the cold night wind ; drifting on amid a thousand dangers , now swept on by furious tides towards rocky shores , and again drawn back by refluent currents over vast sunken sea-ledges , white with foam . Thus through all the night they slept , and as they slept the Antelope dashed on through the waters , whose foaming waves , as they tumbled against her sides and over her bows , sent forth sounds that mingled with their dreams , and became intermingled with poor Tom 's mournful cries . Awake once more . -- Where are we ?