What does Jim dream about?

Jim dreams of the Admiral Benbow and home. From the text:

So I must have lain for hours, continually beaten to and fro upon the billows, now and again wetted with flying sprays, and never ceasing to expect death at the next plunge. Gradually weariness grew upon me; a numbness, an occasional stupor, fell upon my mind even in the midst of my terrors, until sleep at last supervened and in my sea-tossed coracle I lay and dreamed of home and the old Admiral Benbow.