When in a depressed state where one is immobilized such as in a bed, couch, or chair, the act of sitting up every 5-10 minutes like you are about to get up and do something, but then eventually laying back down to your original position because they could not muster up enough energy to actually get up.
Nah man I’m doing great. I even worked out- I did depression sit-ups all night while binge-watching King of the Hill on Saturday!