classes:  lecturer. There is a need for break time because studying five periods in a row sometimes makes it difficult for students to absorb lectures.  curriculum. There is a need for break time because studying five periods in a row sometimes makes it difficult for students to absorb lectures.  facility. There is a need for break time because studying five periods in a row sometimes makes it difficult for students to absorb lectures.  general. There is a need for break time because studying five periods in a row sometimes makes it difficult for students to absorb lectures.