Act as an experienced academic researcher specializing in student behavior and writing performance. Analyze how procrastination affects the quality of essays written by [UNDERGRADUATE STUDENTS] in [HUMANITIES OR STEM FIELDS] over a [SEMESTER-LONG PERIOD]. Consider factors such as time management, stress levels, depth of research, and writing coherence. Provide evidence-based insights on whether last-minute writing leads to lower grades, weaker arguments, or poorer structure compared to planned work. Include recommendations for students to mitigate these effects.