Jürgen Kärner

Short naps can help recover energy. There are now dozens of evidence that supports naps. Longer naps (60+ minutes) — where memory consolidation happens, is even better.

Finally, use sleep as a powerful aid in-between learning sessions. Not only is sleep after learning a critical part of the memory creation process but sleep before learning is important as well.

Use the 50/50 rule. Research shows that explaining a concept to someone else is the best way to learn it yourself. The 50/50 rule is a better way to learn, process, retain and remember information is to learn half the time and share half the time.