fainting while pregnant

so ik it’s normal to faint if u stand up to fast but last night i was sitting down and felt faint so i had stood up to go lay down and i passed out and was unresponsive i was breathing but i can’t remember anything i didn’t fall on my stomach or anything but once i came too i was confused and shaky and felt sick plus my heart was fast should i go be seen at the er ? it’s been a day after and today i’ve felt sick and irritable just need some device in what i should do