Leah tossed in her sleep, in the forest, in her own bed.

Jacob would stay up and stroke her forehead sometimes, cooing things like "It will be all right" or "It's just a bad dream".

Nightmare was more like it.

She groaned and gasped in her sleep some nights. She sweated bullets and shivered violently. At times she cried, no, sobbed, and her body shook under the crushing weight of all her demons manifesting themselves in her dreams.

Jacob knew exactly the monster that chased her:

The fear of being left behind by the only person she had ever loved.