The Short Answer: It depends on your sleep schedule and the intensity of mental input throughout the day. If your circadian rhythm is roughly synchronized with the sun and you make it through each day without being overloaded with information, an effective way to learn vocabulary is probably with two 30-minute study sessions per day around 11:00 a.m. and 9:00 p.m. Now for the caveats: Everyone Is Different When it comes to factors that affect individual cognitive performance, it’s difficult...
