梦着梦着便醒了想着想着就睡了
[mèng zhe mèng zhe biàn xĭng le xiăng zhe xiăng zhe jiù shuì le]
'Dreaming and dreaming until you wake up; thinking and thinking until you fall asleep.' Expresses the intertwined cycle of dreams and reality, along with the continuous pondering that bridges daydreams and sleep, capturing the essence of lost time through over-thinking.