Sarah Healy | Sleep Specialist + Parent Educator on Instagram: "Even puppies need lullabies! Songs are a great way to cue your little one that sleepytime is coming. Research shows that babies habituate to routine as early as 2 months of age. Pick your favorite song (one that you love and will be happy singing hundreds of times) and bring it into your pre bed routine. Or, if you are not a singer by nature, play one over the speaker. COMMENT with your favorite songs and I will make a playlist! I’l