“Mother’s Only Sleeping” was written by Bill Monroe and recorded by Monroe and his Blue Grass Boys in 1947 on Columbia. The recording belongs to the “classic” Blue Grass Boys lineup with Lester Flatt, Earl Scruggs, Chubby Wise, and Howard Watts (Cedric Rainwater) — the configuration that effectively defined the bluegrass sound during its 1946–1948 founding window.
The lyric works through a child-narrator’s denial of a parent’s death: when the singer asks where mother has gone, the answer comes that mother is only sleeping; she is not really gone; she will wake up. The song belongs to a small but consequential strand of bluegrass gospel-and-grief writing that handles death from a child’s-perspective frame, alongside “Mother’s Last Word to Her Son” and several Carter Family pieces.
Monroe’s high tenor lifting on the chorus carries the song’s emotional weight; Flatt’s flat-baritone lead beneath it gives the chorus its weighty harmonic shape. The recording remains a frequent reference point for bluegrass gospel quartets, and the song works as a slow vocal feature with a strong four-part harmony slot on the chorus refrain. It pairs naturally with other Monroe gospel material in any traditional set.