It is not legal in the US per OSHA regulations for an employer to work an employee 8 hours without a scheduled break. In fact, the OSHA rules are to be posted in every break room.
This is true even if the employee is not actively working and is simply on duty in case someone calls or an emergency comes up. Importantly, employers cannot automatically deduct meal breaks from an employee's hours worked if an employee chooses to work through the meal break.
The state of Florida has no daily work hours limit, so employees can work as much as they want. However, if an employee works more than 40 hours in a workweek, they are entitled to overtime compensation — unless they are exempt.
Denying Meal or Rest Breaks in Florida As per the details above, in most cases, it is unlikely that employees can sue their employer specifically for failing to provide meal or rest breaks in Florida.
Yes, you can bring a legal claim associated with the employer not providing you with a reasonable opportunity to take your meal or rest periods.
Generally speaking, yes an employer may require that their employees take breaks, even if they are not required to provide them under the law; there is nothing in the law that would prevent them from doing so.