How Sleep Patterns impacts Memory and Cognition

There is a strong link between sleep, memory and cognition.  As we age our sleep patterns change along with the ability to remember things.

We spend a lot of time sleeping (roughly one-third of our lives, according to the National Institutes of Health). But how much downtime do our brains really need? Experts discuss the links between sleep, memory, and cognition, and why our sleep patterns change as we age.

Here is an interesting video news on how the type of sleep helps with the memory?
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Image courtesy: WarmSleepy