Here's one late night sandwich that isn't a greasebomb. Good for lunch as well.
'Istanbul Grill' on Serious Eats
Near the Meatpacking District but with more class, Chelsea has its own share of late night bites worth a trip: pizza, tapas, Japanese bar food...and more tapas, along with some duck noodle soup for good measure.
For a neighborhood so seemingly devoted to the concept of nightlife (and everything that it aspires to be), the Meatpacking District is surprisingly bereft of the kinds of cheap, junky midnight snacks that party animals know and love. But here are ten great ones—everything from burgers and pizza to 24 hour kebabs and high class French pastry—to satisfy your late night urges.