midnight
Nell became more and more worried and finally began to cry . Stas with difficulty persuaded her to lie down , promising her that he would wait for Saba , and as soon as the day should break , he himself would search for the dog and bring him back . Nell indeed entered the tent , but at intervals she put out her little head from under its folds , asking whether the dog had not returned . Sleep overcame her only after midnight , when Mea came out to relieve Kali , who watched the fire . `` Why does the daughter of the moon weep ? '' the young negro asked Stas , when both lay down on the saddle-cloths . `` Kali does not want that . ''