Please read, help?! 🚑

After my SO left this morning around 430am for work, I couldn't get back to sleep. I started experiencing shallow breathing and it felt like my chest/throat area was a little tight. I went and got water but that didn't help. Then I got a little dizzy so I sat on the couch and watched tv and drank more water until I felt a little better. I decided to try again and I layed down but couldn't get comfortable for a while. It's about 6am by now. My LO woke up so I nursed him a bit then he finally fell back asleep. I layed down and slowly went to sleep. Idk how long I was asleep, but then had a scary ass dream (*I think it was a dream, but it felt real*).. The dream was more of a feeling and not a vision type dream?!... Like, it felt like my heart/chest was literally vibrating (kinda like when a phone is set to vibrate and someone calls it) and it made it hard to breathe. So I woke back up, hot and sweaty and catching my breath. So weird! I have no idea what happened or why..

Anyone have any similar experiences or advice?