I am afraid

I am afraid of what's happening on my mind.

Yesterday, my roommate asked me if I'm having nightmares everynight. I responded "No" with confusion. Then I asker her back "why?". She then told me that she heard me crying when I'm asleep, sometimes I curse, sometimes I shout or scream, and sometimes I speak like I am having a quarrel.
The confusion in me increased as I tried to track back my dreams in the past at few. days. And I realized that I can't remember any dreams which is not me, because I do remembered most of my dreams before. Only then, i realized that may be I'm not retaining my dream memories anymore. But I hope it's just for this season.

But that's not what I'm afraid of. But the possibility of being fully unaware of what my mind and body is doing when I was asleep or worse, even when I'm awake. What if I hurt the people around me?

If anyone has a suggestion on how I can help myself, please do.

I am now thinking of consulting to a psychiatrist.