Second place for various worst case scenarios was during a job interview for 28 percent of 1,002 people polled for Diet Pepsi MAX, a release said.

The company that rolled out the new soft drink infused with ginseng and almost twice the caffeine of regular Diet Pepsi also polled people on yawning habits, and found 66 percent experienced the so-called 3 p.m. slump, accompanied by yawning.

Asked how they dealt with the afternoon droops, the top three methods showed 29 percent ate a snack, 27 percent took a nap and 22 percent consumed caffeine in some form, the company said.

By gender, 69 percent of women reported afternoon drowsiness compared with 62 percent of men, the poll showed.