"Good morning, everyone." Professor Laing greeted with a warm smile. "I hope you all had a great night of sleep."

He walked to the front of the classroom and surveyed his eager students. "It is vital for maintaining mental health, as it allows the brain to consolidate memories, process emotions, and restore cognitive functions, ensuring optimal psychological well-being. Additionally, it plays a crucial role in regulating mood, reducing stress, and preventing psychiatric disorders."