The book Nolan is reading in the beginning repeats the same 4-5 sentences over and over. Even though there is an entire page of writing in several paragraphs, the original text only takes up about three-fourths of the first paragraph, and then it begins to repeat.
Pilar calls her grandson Bear because he sleeps like a hibernating bear: the composer of the theme for the series, as well as some of the incidental music, is Bear McCreary.