Fear Of Sleep by The Strokes delves into themes of inner turmoil, insomnia, and the struggle with personal demons. The song presents an evocative portrayal of the dread and anxiety that keeps one awake. It reflects a frantic state of mind, where the inability to find peace or solace permeates. Key themes include the fear of confronting one's thoughts and feelings in the quiet of the night, the impact of isolation, and a yearning for escape from one's internal battles. Poignant moments in the song highlight the disconnect between day and night, where the latter accentuates the singer's vulnerability and restlessness.