Medical experts usually say the average person can live for 4 to 6 weeks without food. The amount of time someone can go without water is much shorter, roughly a week (or less).
Your employer can force you to take leave at a particular time as long as they give you at least two weeks' notice. However, it is common for employer and employee to come to an agreement about the timing of annual leave. If you put in a request for leave, your employer has to have a good reason to refuse it.
Second, you must have worked for the employer for at least 1250 hours in the 12 months before you take leave. That works out to an average of about 24 hours per week over the course of a year. Lastly, you must work at a location where the employer has at least 50 employees within 75 miles of your worksite.o take FMLA leave, you must provide your employer with appropriate notice. If you know in advance that you will need FMLA leave (for example, if you are planning to have surgery or you are pregnant), you must give your employer at least 30 days advance notice.