Do you have to eat breakfast while pregnant

I used to eat breakfast, but I don't think my baby is liking the breakfast because I get super nervous eating cereal and eggs like I can't finish it. So, I wonder if I have leftovers at night is it okay to eat in the morning. I do eat a cheese sandwich every now and then. I love cheese and crackers, well anything with cheese and some yogurt. I'll go shopping tonight when bae gets home, I just need something because the nausea is getting unbearable. 😢😢😢