Nicole "Snooki" Polizzi pulled a different kind of all-nighter on Sunday.

For her first night ever with son Lorenzo, born that morning in Livingstone, NJ, the Jersey Shore star admitted to her 5.5 Twitter followers that, understandably, she didn't get much shut-eye.

PHOTOS: Snooki's pregnancy

"Hardly any sleep but SO worth it!" the reformed party girl and first-time mom, 24, Tweeted Monday morning.

Named Lorenzo Dominic LaValle, Snooki's first child with fiance Jionni LaValle weighed in at 6 lbs., 5 oz.

PHOTOS: Her crazy style

"Being a mom is an amazing feeling!" Snooki tweeted Sunday. "I love my little man to death! Jionni is such a cute dad."

The reality star fielded many well-wishes via Twitter from her Jersey Shore pals and other celebs, from Jennie "Jwoww" Farley to Kendra Wilkinson.

PHOTOS: Wildest Jersey Shore moments

"Yayyy CONGRATS Snooki. Sooo happy for you. Can't wait to see pics of Lorenzo!" gushes Wilkinson. "Thanks girl I LOVE him!!!" Snooki replied.

This article originally appeared on Snooki's First Night With Baby Lorenzo: "Hardly Any Sleep!"