Don’t know what day it is today? There’s a psychological reason why.

If you don’t know what day it is, you’re not alone. There’s a term for what you’re feeling: temporal disintegration. It’s a phenomenon, explains Dr. Alison Holman, a psychologist and associate professor of nursing at University of California, Irvine, in which people are unable to retain and organize information relating to time, how to do things in a sequential order, or what happened yesterday or the day before.