5 Crucial Activities Your Brain Does While You Sleep

by DailyHealthPost Editorial

brain sleeping

3. Learns and Remembers How to Perform Physical Tasks

People twitch while dreaming because they are practicing physical activity. While in the REM (rapid eye movement) sleep state, information is stored into long-term memory as the result of “sleep spindles”: short bursts of brain waves.

It’s thought that these energy bursts occur when the temporal lobe receives new memories from the motor cortex, processes them and stores them.[3] Sleep deprivation blocks the new information from being saved into memory:

“Practice during sleep is essential for later performance. If you want to improve your golf game, sleep longer.”

4. Making Creative Connections

Sometimes our mind gets in the way of our brains–and vice versa. When it comes to creativity, sometimes we unconsciously put obstacles in our own way (e.g., writer’s block) and we get stuck.

Our subconscious doesn’t have this problem. It can think how and what it wants, ignoring the blocks and using imagination. The result is increased creativity: we develop associations with what we already know and what we imagine, leading to new ideas and potential for how things could work.

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Without enough sleep, one study found, relational memory doesn’t work as well and we don’t make the connections we could with enough high-quality sleep.[3]

5. Making Decisions

While the body is asleep, the brain processes the information it has received throughout the day and works through problems to provide answers.

A study published in the journal Current Biology tested the theory that we still process outside stimuli based on recent learning while we sleep. Subjects were asked to classify words as either animals or objects, pressing the button on a responder with either the left or right hand to signify one or the other.

After they had fallen asleep, researchers continued to speak out words; the subjects’ hands responded with motor movement of either a left or right hand in response to each word, just as they did while awake.

“There is now converging evidence that environmental stimuli can still be processed during sleep, at least to a certain degree…we show that sleeping participants are still able to prepare for the appropriate response on semantic and lexical decision tasks practiced before falling asleep…These results not only confirm previous findings showing that semantic information can still be extracted during sleep, but further show that this nonconscious meaning extraction can be routed by the task context and reach higher processing levels, up to motor preparation stages.”[4]

With so many important reasons to ensure adequate sleep, be confident you can’t fool your brain into thinking it needs less–you will notice the consequences of skimping.

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