?Pregnant?or maybe other thing

Symptoms im experiencing, maybe pregnant?

-Nausea

-Insomnia( i wake up every certain hour to move to a dif position trying to find the comfy one but i cant)

-Lot of gas

-Feeling tired

-craving salty stuff

-Swollen boobs and nipple always erected

-Weird dreams

-Moody( sometimes depressed,or happy or mad without any reason also sensitive)