Before revision:  The activity displayed in such a state is known to be beneficial for cognitive functions, stabilizing memories and improving the performances in several tasks. Despite this , a theoretical and computational approach to achieve the understanding of such mechanism is still lacking.
After revision:  The activity displayed in such a state is known to be beneficial to cognitive and mnemonic tasks, while chronic sleep deprivation is detrimental. Despite the importance of the phenomenon , a theoretical and computational approach to achieve the understanding of such mechanism is still lacking.