The researchers found that an hour's nap can dramatically boost and restore brain power: it not only refreshes the mind, but can make you smarter, they suggest.
Napping Boosts Brain Power
I would like to know what their levels of neurotransmitters were before and after the nap. These days we're always pushing ourselves beyond normal limits with not enough sleep and too much stress. Our brains never have an opportunity to rest. This is critical towards good health.