Andrew Huberman· PhD
in contrast imagine that you let's say you're studying a foreign language you write words on cards and at every opportunity you're standing in line in the bank so the Lesser Mortals are fooling around on their phones you're just going through your deck like oh can I translate this word I go put it back in the deck flip it over then next time you in some other place you do this again so this is an example of space practice versus the traditional Mass practice and the evidence of the superiority of space practice is just overwhelming it goes back to the 19th century and there's at least like a more than a thousand papers published on that