Four short lines, and the first one turns the clock upside down: "Morning is now my night." The word "now" does a lot of work. It admits an earlier arrangement in which morning meant morning, with getting up and being useful, and says something has overturned it. The poem never says what. A night-shift worker, a convalescent, or someone whose sleep has drifted out of step with everyone else's would all fit, and the text declines to choose. What it gives us is the feeling of living on the wrong side of the day, and, more surprisingly, a calm about it.
The title matters here. "Slugabed" is an old, teasing word for someone who lies in bed too long, and it carries a hint of scolding, like a voice calling up the stairs. It also has "slug" in it, a creature that is slow and keeps to dark, damp places. By putting the accusation at the top, Bonta lets the four lines answer it without arguing. The speaker doesn't protest or apologise. Instead of "I'm not lazy," the poem says, in effect, "here is what this looks like from inside."
The second line is the longest, at about nine syllables, and it stretches out as if the speaker were settling in: "I saw rest I never saw before." The repeated "saw" makes rest something to be looked at, like a landscape or a stranger in the room. "Never" and "before" nearly say the same thing twice, which gives the line a tone of wonder, as though the speaker is a little surprised to be saying it. The vocabulary is plain, almost childlike. The line suggests that rest used to be only the gap between useful hours, and that now it has become something worth noticing.
Then comes "the bed I call Nurse." The capital letter turns a common noun into a name, and the verb "call" makes it a private choice, a little joke with some tenderness in it. The bed is no longer the lazy person's refuge that the title implies but a caretaker. A nurse looks after a body that needs looking after, so, judging by the imagery, the speaker may be fragile or worn out. Still, the tone is affectionate rather than self-pitying. The "slugabed" is recast as a patient, and the bed becomes a professional.
The last line moves from care to commerce: "and I lease the room." A lease is temporary, paid for, and conditional. The speaker does not own the room, and the verb sits oddly beside the warmth of "Nurse." The word also has "ease" tucked inside it, so the line quietly joins comfort and contract. Even this rest is borrowed. The poem balances relief against precariousness, so that the new night is restful but also rented.
The sound work is spare but deliberate. There is no end rhyme (night, before, Nurse, room), and the lines run roughly six, nine, five and five syllables, shrinking as though the speaker were sinking into the pillows. Only the first line is a self-contained sentence, a flat statement like the first rule of a new world. The rest flows on in one drifting sentence held together by commas and "and." Softer echoes do the binding instead of rhyme: the m-sounds of "Morning," "my" and "room" bookend the poem, and "rest" and "lease" share a hissing s. "Room" is also the roundest word in the poem, and it closes the lips as it ends, a small enclosed space where the poem's world finally rests.
What makes the poem worth reading is how much it does with so little. It takes a word of reproach and turns it into a quiet portrait of a life reorganised around rest, without defending that life or explaining it. It also questions, gently, the idea that a day is only well spent when it is busy. The poem never tells us why the speaker's mornings became nights, and that silence leaves room for the reader to imagine their own reasons.