Mastering putting baby down drowsy but awake (plus the best newborn sleep tips I've learned)

Lack of sleep has been the #1 hardest thing about having a new baby for me, both times. I know occasionally there are unicorn babies that sleep in long chunks from day 1, but both of mine have given me 1.5-hour to 3-hour blocks of sleep the first few weeks, often interrupted by 1-3 hour-long sessions of feeding them and trying to get them back to sleep. Awful nights. It's so, so hard and has (both times) led to lots of Googling baby sleep tips and reading this book (quickly--plenty of time to re...