👉 "Semisomnolent" is a term used in psychology to describe individuals who experience periods of deep sleep and often wake up feeling groggy or irritable. The term comes from the Greek word "semiosmos" which means "sleepy," and "mollusca" which refers to mollusk shells. It's important to note that this term is not widely recognized in the scientific community, as it has been used for a variety of other meanings across various fields.