An interesting article at The New York Times about what happens to all that hair that people donate to charities like Locks of Love. According to Locks of Love, as much as 80 percent of the hair donated is unusable for various reasons (too short, processed, grey, wet). The hair that does make it through often ends up being sold, and not being made into wigs for those who have lost their hair due to cancer treatments.
If you smoke during pregnancy or as a new mother, be advised that the nicotine being passed through to that infant in the form of breast milk (if you choose that route) may be hindering the sleep patterns of your child.