Feeling great to shorty again !!!! Anyone?

Kayla • Finally conceived after a year of trying! Born with Uterus Didelphys! 2 cervixes, uteruses, and two vagina holes!
This last week I've felt great! Such a huge appetite! Now all a sudden today I puked n have felt weak ever since.. sleeping all day, n still no appetite! Is this normal during 14 weeks?