George Santayana

It is tempting to think of this form of insomnia, the inability to fall asleep, as a disease of agency and control: the inability to relinquish high self-reflexive consciousness for the vulnerable, ignorant regions of slumber in which we know not what we do.

The way that Dickens structured his books has a form that we most readily recognize now from, say, the great T.V. series, like 'The Wire' or 'The Sopranos.' There's one central plot line, but then from that spin off all kinds of subplots.