They are literally scared of the “s–tless”.

For a generation that he likes to express his emotionsGeneration Z keeps a lot bottled up inside. A whopping one in three Zoomers fear using the office bathroom, according to a recent survey of online restrooms appliance supplier QS Supplies.

The UK bazaar surveyed more than 1,000 employees about their toilet habits at work and calculated the impact of bathroom breaks on company productivity.

They found that a surprising number of office workers are reluctant to go second at their work station. According to the study, one in 12 employees have never pooped at work, while 34% are afraid to use the facilities.

Meanwhile, nearly one in five employees – around 19% – flatly refuse to go to work, while one in four choose to hold off until they get home.

Zoomers are the generation most likely to engage in the bathroom stand-ing, marking one of countless ways 20-somethings struggle in the workplace.

Eleven percent of Gen Z employees say they have never pooped at work, while 36 percent are scared to do so.

There is also a gender disparity in dropping children off at the office pool. Almost half of women fear pooping at work (48%), compared to just 19% of men.

In terms of why employees are so shy in the restroom, lack of privacy was the biggest concern among employees (59%), followed by embarrassment over smell (57%) and then noise concerns (47 %).

Many employees claimed that holding it caused them to suffer from various health problems, including abdominal discomfort, increased stress and even constipation.

Despite the large number of people heeding Doody’s call, businesses are still finding themselves flushing money down the toilet due to staff bathroom breaks.

Companies lost an estimated average of $3,565 per remote employee, while $2,833 goes down the toilet for each office employee each year due to time spent in the bathroom while on the clock, according to the research.

Oftentimes, employees simply use bathroom breaks as an excuse to take a siesta—one in five reportedly use it for this purpose.