Sleep & Memory: Sleeping “Soundly”

A new study examined how sounds affect memory consolidation during sleep.Participants were taught to associate 50 images with a random location on a computer screen. Each object was paired with a corresponding sound.About 45 minutes later they took a nap of 90 minutes or less. This was long enough to enter deep, slow-wave sleep. But they didn’t nap long enough to enter rapid eye movement sleep