N.S.
I highly suggest reading Dr. Marc Weissbluth's book "Healthy Sleep Habits, Happy Child." While many moms reject the book b/c he advocates letting the child cry in order to learn to fall asleep on his/her own, you can use the book and really not let your baby cry too much. It's important to read the book all the way through because it really helps you to understand HOW babies sleep, WHY they need to sleep and WHEN they sleep best. After different, exhausting methods with my first 2 kids, I used this book to really pay attention to the recommendations about WHEN to put the baby to sleep and it was much easier. If I put my baby down for the night at 6pm, he was so much less tired that he didn't fuss as much. He learned to sleep through the night with far fewer tears (for him or mommy) than my girls did because I focused so much on schedule and time of day that works for a baby's natural rythms. Your friend needs to wake her baby up from all the sleeping, but not let the baby be awake too long or he will get overtired and sleep poorly. The schedule described in the previous response is exactly what Weissbluth recommends so buy her the book, as it's so handy to have all that stuff written down! Wish her good luck!