Don’t stay in bed, unless you can make money in bed.

Burns’s quip is a comic, hard-nosed maxim about industry and self-discipline. By framing “staying in bed” as acceptable only if it is economically productive, he satirizes laziness while also celebrating the show-business ethic of always working—turning even leisure into a potential “act.” The line’s humor comes from its blunt conditional logic and its slightly risqué implication that one might literally earn money while in bed. More broadly, it reflects a 20th‑century American belief in hustle and practicality: rest is fine, but idleness without purpose is suspect. As with many Burns one-liners, the joke doubles as a memorable rule of thumb.