Uy, yan usually nangyayari pag nakakapit ang baby ng masakit or pag hindi balanced ang position habang natutulog, especially kapag mahimbing siya at hindi ka makaangat ng maayos, ang nipple lang ang kinukuha niya instead ng buong areola, kaya ang sakit! A few of us went through this din, at nakita namin na kailangan talaga mag-adjust ng position pag nakatulog pa lang bago pa mas lumaki ang sakit. For the pain and healing, Mama's Choice Nipple Cream really helped my mum friends and me, it's safe para sa baby kahit direct breastfeed, and it actually reduces the cracking and soreness pretty quick. But honestly, if the pain's getting worse or you see anything unusual, better consult with your OB or a lactation consultant kasi parang may technique adjustment kailangan mo talaga.