Good Sleep Can Sharpen Your Memory

HealthNFitness Tips: External stimulation during sleep can help strengthen memory. The critical difference is that memory is strengthened for something you've already learned.

• Deep sleep is linked to storing memories.
• External stimulation during sleep can influence a complex skill.
• Electrophysiological signals measuring the brain events produce memory improvement during sleep.
• Sleep-based memory-processing involving other types of skills, habits and behaviors.