Answer:
Your baby will be tired after the efforts of being born. But as well as adjusting to his new life outside your womb (uterus), he's on a tremendous growth spurt and will need plenty of sleep to fuel this. Your baby may sleep for up to 18 hours over the course of 24 hours.
Well, maybe they can be. In order to keep he/she safe.
Answer: Connective Tissue
Hope that helps!! :)