Sleep your way to greater knowledge
Wake up and smell the coffee. Or stay asleep and smell it. You might learn something either way. People can make new scent associations while they slumber, which suggests that sleep has real learning potential.
“We know we can consolidate the day’s information while we sleep,” says Anat Arzi at the Weizmann Institute of Science in Rehovot, Israel. “But attempts to teach new facts using verbal information have failed.”