TRUST CARA! I started with The First Five Months Bundle and had my daughter sleeping 10 hours a night by 8 weeks. She was a rockstar until her 4 month regression which primarily impacted her naps. By 5 months she was waking up really early in the morning (4:30-5:30am) and I got caught in the trap of nursing her to sleep way too often. I realize this wasn’t sustainable considering my husband can’t nurse and I wasn’t interested in doing this alone. I purchased The 5-24 Month Collection and almost miraculously within a month my baby girl was sleeping (or at least hanging out in her crib alone) for 12 hours a night. Naps took her a little longer to adjust to, but she did eventually, and I owe it all to Taking Cara Babies. Sleep training is not for the faint of heart (I cried a lot at the beginning), but so so worth it for the good of your baby and your own sanity!