Sleep's Critical Role in Everything Humans Do
Sleep's critical role in memory
During sleep, our brain is busy cementing the most important and relevant memories, which is the main reason as to why it is recommended for people to wait at least half an hour before going to bed after studying at night; so that the information may be prepared to be processed in the brain during sleep. In other words: the important tidbits of information get cemented, while the irrelevant trash is discarded.
