Why should you solve math problems before going to bed?

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Scientists have found that sleep after training improves the memorization of mathematical information.

Researchers from the Centre for Mathematical Cognitive Science at Loughborough University (UK) Jain Spiller and Camilla Gilmore conducted a study of the effects of sleep on mathematical memory. The results, published in the journal Royal Society Open Science, showed that sleep after training promotes better memorization.

The experiment involved 77 adults aged 18 to 40 years from the UK. Each of them studied complex multiplication examples under two conditions: before bedtime (sleep training) and in the morning (day training). Participants took part in online sessions, during which they learned new tasks or checked the material they had already studied.

As a result, it was found that participants remembered information better when learning with sleep, in comparison with daytime. This advantage was maintained even among participants with different learning abilities.

The study highlighted the importance of using sleep for educational purposes. Sleep can be especially useful for children who are learning multiplication tables or learning other skills that require the development of mathematical memory.

However, the authors point out the possible limitations of their research. Sleep may help to "anchor" new material in the brain due to the lack of competition from other stimuli. In contrast, in the waking state, the brain is confronted with conversations, reading or watching media, and other activities that can interfere with the effective consolidation of information.
 
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