12 Ways Being a Night Owl Could Hurt Your Health

Sleepiness Makes You Forgetful

Trying to keep your memory sharp? Try getting plenty of sleep. In 2009, American and French researchers determined that brain events called “sharp wave ripples” are responsible for consolidating memory. The ripples also transfer learned information from the hippocampus to the neocortex of the brain, where long-term memories are stored. Sharp wave ripples occur mostly during the deepest levels of sleep.