Answer:
Consolidation
Explanation:
From the question we are informed about Rinu who was awake late one night in his apartment. He was trying to cram in as much biology material as he could because he had a midterm exam the next morning. However, he was getting so sleepy that he found it difficult to learn much of anything. His roommate woke up to get some water to drink and saw Rinu trying to study. He told Rinu that because he is so tired, his brain will not be able to physiologically change to accommodate the incoming information. He strongly suggested that Rinu get some sleep instead. In this case, Rinu's roommate referring to process of Consolidation.
Consolidation can be regarded as
act or process of uniting something
specifically. It can be regarded as unification of more than one or corporations or activities through dissolution of existing ones as well as creation particular or single new corporation or activities.