If you choose to use a deferment you will not have to make a payment, but you also probably won't be making any progress toward forgiveness or paying back  your loan.
Is there an alternative solution to a student loan deferment?
You might want to consider income-driven repayment.
What is the eligibility criteria for a deferment?
Do you think that you may qualify for a Hardship Deferment?
How do I find out if I qualify for that Hardship Deferment?
Are you receiving any sort of welfare?
I am not receiving any sort of welfare at all.
Are you working full-time with earnings that would fall below 150% of the poverty guideline for your family size and state of residence?
I am not working full-time as I am a student.
Are you serving in the Peace Corps?
I am not.  I am simply a full-time student.