Another good reason to get plenty of rest:
Sleep Appears to Rescue Memories
“In a finding that backs up motherly advice to get a good night’s sleep, scientists have found that sleep apparently restores memories lost during a hectic day.”
It is not just a matter of physical recharge. Researchers say sleep can rescue memories in a biological process of storing and consolidating them deep in the brain’s circuitry. The finding is one of several conclusions made in two studies that appear today in the journal Nature.