Sunshine by Alice In Chains is a song that delves into feelings of loss and the struggle with grief. The lyrics explore the pain of losing a loved one and the emotional turmoil that ensues. Key themes include sorrow, remembrance, and the passage of time. The song highlights the intense feelings of missing someone important and the way memories can both comfort and haunt those left behind. Poignant moments in the song include lines that reflect the ongoing presence of the lost loved one in the singer's thoughts and the contrast between the happier times ('sunshine') and the present sorrow.