Eating and drinking in class Although some instructors of early morning classes may tolerate your cup of coffee, other instructors are not so generous The possibility of spilling something, not to mention the disruption it causes, has lead many university to post “NO EATING or DRINKING” signs in classrooms, libraries, auditoriums and labs And, the reality that classroom carpets are cleaned infrequently may mean that you and your fellow classmates must endure the spots, stains and odors all semester