A power cut turns an ordinary house into something strange. The speaker sits in the dark and notices what has disappeared: the hum of appliances, the small glow of chargers. With those everyday noises gone, the wind outside becomes the main sound, and it opens the poem as though it has been waiting to be heard.
The most unsettling image comes in the third stanza. The masks on the walls "stare steadfastly into the darkness," and the speaker seems to feel watched, or at least keeps company with faces that cannot see. Nothing is said outright about fear, but the stillness feels a little eerie.
The ending shifts the tone. The speaker "offers" themselves "again on the altar of sleep," which makes bedtime sound like a ritual. The word "again" suggests a nightly habit, and the line carries both surrender and quiet acceptance. The mood is hushed, a little uneasy, and strangely peaceful.