Originally Posted by NYCAIR1234

T4 has the Central Diner in the arrivals area near the taxi stand and it's open 24 hours. The reviews of the food, unfortunately, aren't so good but I'm sure it's still a decent place to relax and be waited on. Not sure where you're from but a good rule for diners is to just order eggs if you're worried about food quality. Here's a link:
http://www.yelp.com/biz/central-diner-jamaica

Another option might be the pre-security food court in T1 - on the second level balcony above ticketing. A blog recently reported that there is a dunkin donuts cart there that is open 24 hours:
http://blog.sleepinginairports.net/2.../#.VRv38PnF-Ig