noun
at the bedside where one dreams
Refers to the space or state at the bedside where one dreams, often used in literary or poetic contexts.
夢枕に立つ故人の姿を見た。
I saw the figure of the deceased standing at my dream bedside.
Compound of 夢 (yume, 'dream') and 枕 (makura, 'pillow'). The exact historical derivation is uncertain, but the word evokes the image of a pillow where dreams occur.