I am asking this question because there is no point come across much vocabulary or rules, and can not record in the subconscious. It is a conceptual issue. I strongly believe that "spaced repetition" is one of most important techniques. Also the quality of sleep interferes with learning in general, not just English.
migration rejected from ell.stackexchange.com Dec 31 '13 at 14:14
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closed as too broad by Chuck Sherrington, Artem Kaznatcheev♦, Josh Gitlin♦ Dec 31 '13 at 14:14
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