Take a Nap…Its Good for your Memory!!!

April 2, 2009

It is now known that being sleep deprived means…risking yourself to suffer from chronic illnesses including diabetes and heart disease.  Now comes an interesting observation published in Sleep Journal that links sleep to memory….

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Study Objectives:

In this study we examined the benefit of a daytime nap containing only NREM sleep on the performance of three declarative memory tasks: unrelated paired associates, maze learning, and the Rey-Osterrieth complex figure. Additionally, we explored the impact of factors related to task acquisition on sleep-related memory processing. To this end, we examined whether testing of paired associates during training leads to sleep-related enhancement of memory compared to simply learning the word pairs without test. We also examined whether strength of task acquisition modulates sleep-related processing for each of the three tasks.

Subjects and Procedure:

Subjects (11 male, 22 female) arrived at 11:30, were trained on each of the declarative memory tasks at 12:15, and at 13:00 either took a nap or remained awake in the sleep lab. After the nap period, all subjects remained in the lab until retest at 16:00.

Results:

Compared to subjects who stayed awake during the training retest interval, subjects who took a NREM nap demonstrated enhanced performance for word pairs that were tested during training, but not for untested word pairs. For each of the three declarative memory tasks, we observed a sleep-dependent performance benefit only for subjects that most strongly acquired the tasks during the training session.

Conclusions:

NREM sleep obtained during a daytime nap benefits declarative memory performance, with these benefits being intimately tied to how well subjects acquire the tasks and the way in which the information is acquired.

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In short…. 

For a sharper memory… taking a nap can definitely help!

“Not only do we need to remember to sleep, but most certainly we sleep to remember,” . The main message of the investigator and researcher Dr. William Fishbein, a cognitive neuroscientist at the recent meeting of the Society for Neuroscience.

So my friends… take a rest in between work…enjoy life… take it easy…

AND remember to take care of your brain because just like anything else in life…it needs to rest to function better!

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3 Responses to “Take a Nap…Its Good for your Memory!!!”


  1. Dr. Tan! Thanks so much for leaving a comment on my old website!

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    Dr. M. A. Greenstein
    CEO/Publisher, The George Greenstein Institute of NeuroSomatic Arts and Science, creating a sustainable future by coaching bodies, brains and minds
    www. greensteininstitute.com
    Twitter@DrG
    drg@greensteininstitute.com

  2. maxim Says:

    Hi Doc. I totally agree. After a 15 minute nap during lunch time, my mind is sharper and I become more focused again in my work.


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