Across Kenya, as national examinations and TSC interviews draw near, students and teachers alike confront the same ancient anxiety: will the mind hold what it has been given? Science offers a steadying answer — memory is not a gift distributed unevenly at birth, but a capacity shaped by habit, rest, and deliberate practice. Hillary Muhalya's guidance reminds us that the brain, like any living system, responds to how it is treated, and that the hours invested wisely across many days will always outweigh the desperate hours of a single sleepless night.