DD1 solely breast fed until 5 months old. Slept through, from 8pm til 7am from 10 weeks. Yes, that is true. Don't shoot me.
DD2, also solely breast fed until 4 months, slept from 10pm til 7am at around 3 months.
Both my DDs are very good sleepers.
'Lucky'...I hear you cry. Yes, lucky, but also dio do controlled crying quite early on which was bloody hard work, so not all 'Luck' in my opinion.