Pregnant | Breastfeeding

I read in a book that it's important to toughen your nipples during pregnancy to breastfeed. Is this so? What am I supposed to do?
Read Must I toughen my nipples during pregnancy to breastfeed?

I am 37 weeks pregnant, but I have a question about breastfeeding. When I bring my baby home, should I wake her for feeds? I've heard babies need to eat every one and a half to three hours, but if they are sleeping through the night, do you want to wake them?
Read When I bring my baby home, should I wake her to breastfeed her?

I have a 6-month-old baby. How long does frozen breast milk retain its value and nutrition?
Read How long does frozen breast milk retain its nutritional value?

I'm due in a few months and I have read that some plastic bottles can allow oestrogen-like compounds to leach into the milk. I am interested in using glass bottles and will be breastfeeding but have read that glass bottles are not recommended for breast milk. Why would this be?
Read Are glass bottles unsafe for breast milk?

Is it normal to have very leaky breasts between the sixth and eighth months of pregnancy?
Read Is it normal for my breasts to leak during pregnancy?

Is it safe to continue breastfeeding while I'm pregnant? Do the developing baby and the breastfeeding baby, who is 8 months old, both receive adequate nutrition?
Read Is it safe to continue breastfeeding while I'm pregnant?