Penelope's "lost" is about being stuck inside your own head with no way out. The speaker begins in a quiet, almost numb state, "quietly thinking," but the noise quickly grows until it turns into screaming. That shift from silence to panic is the heart of the poem.
The speaker feels trapped, exhausted, and angry. The repeated questions, "Why am I lost here?" and "Why cant I find my way?", sound like someone circling the same thoughts over and over, with no answers coming. The words "night of horror" and "night of rage" suggest these feelings are not new, and that they hit hardest after dark.
The most painful moment comes at the end, when the speaker calls their mind "the place I call home" and then corrects themselves: "its not home its hell." The short, plain lines and missing apostrophes make the poem feel raw and unpolished, as if written in the middle of the feeling. The mood is claustrophobic, distressed, and deeply lonely.