Hello meowrie,

Im not an expert, but I think that what you described was just a nightmare... a terrible and very vivid/almost real one, but nothing else...

You know, seizure is more like involuntary movements...

I found this in the internet, maybe can help you:

"An epileptic seizure is a transient symptom of abnormal, excessive or synchronous neuronal activity in the brain. It can manifest as an alteration in mental state, tonic or clonic movements, convulsions, and various other psychic symptoms (such as déjà vu or jamais vu). The medical syndrome of recurrent, unprovoked seizures is termed epilepsy, but seizures can occur in people who do not have epilepsy"

I have had very real dreams, like you can almost touch the people or hear your voice, induced by some medicines I take, but I dont think that can be considered a seizure...