He hath awakened from the dream of life.

The line uses a common Romantic and Platonic metaphor in which ordinary existence is figured as a “dream,” while death (or a higher state of being) is figured as “awakening.” Read this way, the phrase can suggest that what we take for life’s solid realities—ambition, suffering, social roles—are transient and illusory, and that a truer clarity lies beyond them. In Shelley’s poetry, such language often carries an ambivalent charge: it can be consolatory (death as release into truth) but also unsettling, because it implies that lived experience is insubstantial and that certainty is deferred. The archaic “hath” gives the sentiment a solemn, epitaph-like tone.