New mommy Hilary Duff is overjoyed to own her 1st son, however she's additionally realizing simply how powerful the lifetime of a parent are often.

After one week of motherly duties, the "Cheaper By The Dozen" actress tweeted, "4 am...Sleepy eyed. Feeding baby..whew this job is not any joke!"

While Duff adjusts to the demanding feeding and sleeping schedule, she additionally had another mouth to feed when her sister, Haylie Duff, stopped by on Monday (March 26) to create kale salad and truffle deviled eggs for dinner.

Hilary joked concerning her sister's visit, tweeting, "I assume it's additional concerning her obtaining time with luca however I take it!"

Luca is that the 1st kid for the actress and her husband, Mike Comrie, and that they could not be happier - because the 24-year-old messaged, “Luca fed! Mamma fed! Time to try to to it all once more in a pair of hours! Oh how life has changed! In such a beautiful manner.”