Many of us are accustomed to accessing goods and services at pretty much anytime of the day. For workers, who don't work nine-to-five, grabbing a late-night snack or visiting a hospital, this is just part of modern life. Loira Limbal joins On Docs to talk about her film, "Through the Night," which visits a 24-hour daycare in New York run by Dolores "Nunu" and Patrick Hogan that lets kids stay the night as their parents work the night shift.