My sons have shared a room for 9 months now. my eldest is 2 years old, youngest is 19months. however we have an early waking issue with the younger one. i want to take him out of his brothers room and put him back in his own room so that we can sleep train him without he or us waking up the older brother (who is so tired all day poor thing from being woken up by his little brother in the early hours). anyone done this? am worried that eldest will react badly to it - he loves his brother being in his room, i dont want him to think he has done anything wrong!