The answer would have to be FALSE.
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.
Calories is watching fat intake with food. if you're trying to watch your calories yes it's the fat, because you are trying to eat less fat to maintain a good diet.
sugar crash is to much sugar intake and it makes you fatigue and go to sleep or you feel drowsy and lazy. To much sugar intake is a reason for sugar crash.