One Hotly Debated Question in Psychology Is Why We Sleep

One hotly debated question in psychology is why we sleep.According to Tononi and Cirelli (2014) ,sleep is very important for learning and memory.Specifically,they argue that

A) sleep allows neurotransmitters to be recycled.
B) sleep decreases cortical synaptic strength.
C) sleep restores homeostatic imbalance, so the brain is ready to fire the next day.
D) sleep prevents brain areas from sharing information and allows each area to process its own information.