Conversation: The conversation between human and AI assistant.
[|Human|] I woke up out of a sleep because my heart was racing fast and I was about to faint and now its going slow and my throat feels tight. And I feel just odd about it Im trying to fall back asleep and I cant because Im worried should I be concerned and go to the hosp??
[|AI|]  Hello. Thank you for your question and welcome to Chat Doctor. I understand your concern. All the symptoms, like tightness in your throat, thirst etc. are part of the anxiety you experienced from an episode that was new and worrying to you. This is a property of all types of anxieties. Therefore, I think you should fall back asleep with no worries, should this happen again. Because, during sleep happens a phase that is called rapid eye movement (REM) phase. To put it simple, this is the phase during which Chat Doctor.