In this article, Heather Fern discusses her nighttime routine with her 7-week-old twins. She shares her newborn sleep schedule and offers helpful tips for getting babies to sleep through the night. Fern emphasizes the importance of establishing a bedtime routine, creating a calm environment, and implementing consistent sleep cues. She also suggests using swaddles and white noise machines to help babies sleep better. Overall, Fern's main idea is to provide guidance for parents with twins on how to establish a successful nighttime routine.