Tight deadlines set by Elon Musk for the Twitter staff

Managers slept in the office over the weekend and Twitter employees have been instructed to work 84-hour weeks

Some employees of Twitter, according to supervisors, perform 12-hour shifts every day of the week

On Friday and Saturday nights, some Twitter managers spent the night at the company's headquarters

With layoffs likely under new owner Elon Musk, employees are attempting to distinguish themselves

Some see the duties Musk's team has given the company's employees as a test to see who puts in the most effort

No information on overtime pay, substitute time off, or job security has been provided to the staff regarding working on the tasks