It's fashionable at the moment because what's been shown is that within the brain, a whole raft of genes have been shown to be turned on only during sleep, and those genes are associated with restoration and metabolic pathways.
Trenutno je u modi zato što je dokazano da je unutar mozga, za veliki broj gena pokazano da su uključeni jedino dok spavamo, a ti geni su povezani s obnavljanjem