How to Improve Memory Span
Memory span improves best with short, repeatable sessions instead of long exhausting study blocks. That is why many cognitive training products use brief daily drills.
Three simple habits
Use repetition, remove distractions, and practice chunking. Chunking means grouping information into small meaningful units instead of trying to hold everything separately.
Why short drills work
They are easier to repeat, easier to measure, and more likely to become a habit. A user who comes back for a quick session every day often improves more than a user who trains once in a while for too long.