science

"patent pending"

Includes "Pittsburgh Sleep Quality Index and the Oxford Happiness Questionnaire"

The article doesn't go into the details but it doesn't look good. Including how happy you feel into a final metric of how well you can process data doesn't seem rigorous.

"This 80 year old is happy and doesn't know his own name so we will rank him higher than this woman who is still practicing law and playing chess at grandmaster level but is depressed and not sleeping well. "