Literature Reference: 高人应不寐，惊鹊复何心。——《赋月华临静夜》 The wise should not sleep; what thoughts stir the startled magpie? Source from 'Fu Yue Hua Lin Jing Ye'.
不: To signify negation, extraordinariness, and no regrets. With unwavering determination, it conveys steadfastness, capable of conquering all things.
寐: Longed for in dreams, yet only a fleeting slumber.
Meaning: Sleeplessness often signifies deep contemplation or intense focus on a matter.