I've had a few short lucid dreams, and dreams where I have questioned my reality and done a successful reality check. In all of those dreams, I woke up almost instantly.
In April I had a dream where I did a reality check and was able to breathe my nose. I thought at this point I could be dreaming but wasn't fully convinced. I did the reality check twice, both times able to breathe, and then woke up straight away. I had another dream where I noticed something strange and began to reality check but I woke up before I could finish.
In my lucid dreams prior to that, I have the realisation and then a few seconds later I'm awake.
Is it normal for a reality check or a heightened level of awareness to just wake me up before I can even think about the fact I could be in a dream?