Doing Anulom-Vilom Pranayam daily in the morning and before bedtime will energise and activate the mind and brain. Read my hubs here in hubpages.
Sloth is a lack of energy or a sluggishness of the mind. Here are a few herbal remedies. St/ Johns Wort helps with depression.
Ginco and Prevagen promote memory and sharp mind. Consider taking vitamin C,D, and E as well as selenium, omega-3 and zink.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.