The huge portion of our lives that we spend asleep, freed from a morass of simulated needs, subsists as one of the great human affronts to the voraciousness of contemporary capitalism,” writes Jonathan Crary in 24/7: Late Capitalism and the Ends of Sleep. “Sleep poses the idea of a human need and interval of time that cannot be colonized and harnessed to a massive engine of profitability, and thus remains an incongruous anomaly and site of crisis in the global present.