My 9-month old son has developed a new and frightening habit.
When he is about to fall asleep for the night, or when he is being comforted to fall asleep after waking up at night, he will suddenly start to cry, kick, and fuss all at once, and quickly work himself up into a very panicked fit of crying and kicking/squirming.
This doesn't seem to happen for any particular reason - but it usually occurs after he has been up for awhile and both my wife and I have tried multiple ways to get him to fall asleep. Thus far it's only happened twice, but I'm worried about it becoming a pattern.
Typically he'll go to bed at around 8 AM, wake up between then and 2 AM, need a bottle at around 3-4 AM, then wake for the day between 6:30 AM and 7:30 AM. This so far has happened once after his 3-4 AM feeding, and then tonight as he was up a little longer due to taking a late nap.
Is there any particular reason for a nearly-asleep 9-month old baby to suddenly start to cry and fuss just as they're about to fall asleep? And, is there anything we can do to prevent it?
Edit: To be clear, this occurs as we are trying to get the baby to sleep, and as they start to get very tired and drift off in our arms.