Andrew Huberman· PhD
sleep is critical on the night following and the nights following that training in order to really consolidate certain types of learning and what phases of sleep relate to the consolidation of motor learning Etc
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
sleep is critical on the night following and the nights following that training in order to really consolidate certain types of learning and what phases of sleep relate to the consolidation of motor learning Etc
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the more of those that you had the greater the memory benefit the next day
yes those sleep spindles the more of them that you had in the nap the better your motor skill learning was but there seemed to be a lateralized effect such that the Sleep spindle activity on the right side of the brain which controls the left hand which was not working showed no spindle increased in activity however on the right hand activity that invoked activation in the left motor cortex that left motor cortex and specifically Al the hand region showed a local increase in spindle activity
first it seemed to be related to that lighter form of stage two nonrem sleep I told you that textbook memory requires deep non-rem sleep stages three and four casting back to episode one motor memory more dependent on stage two and those beautiful spindles that are the Hallmark of beginning your stage two
is it's super interesting you mentioned that this is occurring largely in stage two of sleep not in rapid eye movement sleep is this business of stage two being the the main period of sleep in which motor learning occurs unique to motor learning in other words cognitive information surely can get wired into the brain at night but is that largely Associated just with rapid eye movement sleep
But in our hands, at least, the strongest sleep stage and the strongest electrical signature in your EEG that is predictive of your motor skill learning is Stage 2 and sleep spindles, both of which seem to have this bizarre sort of, you know, coincidental spike right around this developmental phase of crawling, standing, walking.