Mine can't seem to manage more than 2 hours awake at a time. He has just started having a long nap of about 2 hours mid morning other naps are shorter but it is making bed time difficult because he either needs to go to bed so early - tonight was asleep just after 6, or needs a nap too close to bed time and is then hard to settle? Some other babies his age seem to be able to stay awake much longer - am I doing something wrong?