Spread the same amount of study over time and you remember more of it, for longer. Over three hundred experiments agree. The longer you need to keep something, the wider the gaps should be. Evidence: solid
"An hour, tomorrow, next week" is a rule of thumb, not a tested schedule. The rule underneath is: let yourself nearly forget it, then pull it back. That's what makes it stick.
Pair it with testing yourself and you have most of what learning science knows.
Same theme: Learning it
Learning it
Coffee after, not before
Want a fact to stick? Have the coffee right after you learn it.
no timeEvidence: worth trying
Learning it
Hook the new thing to something you know
Learning a name, a fact, a process: ask what it reminds you of, and tie it there.
no timeEvidence: decent
Learning it
Learn it last thing before lights out
The thing you need to remember goes in the final fifteen minutes before sleep. Not the phone.
15 minEvidence: decent