I have premonition type dreams frequently. When it happens, I have no doubt when waking that I was getting a message or warning, but the details are always fuzzy. I rarely know precisely who, or if I know who, I don't know what, or I might know what but not when...etc. I rarely say anything to people about these "warnings" because what am I going to say? "Uh...yeah...like, uh...be careful...something might happen...and, uh...it might be bad." So that's frustrating. (However, I was occasionally known when raising teenagers, to suddenly forbid a particular activity for no apparent reason other than "You should not do this at this time. Trust me." Yeah, right mom
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But besides the premonition wannabe dreams, I have had about half a dozen dreams in my life that were startingly clear, (and terrifying, I might add). The type that have me bolting from bed, in a sweat, heart racing. In these dreams the details were very clear. However, I can't really call them premonitions (do they have a name?) because they were happening in real time. An example, one night in college I woke up at 1am dreaming of my brother's face smashing through glass and sirens and flashing red lights. I felt hurt and scared and was crying when I awoke. When I calmed down, I felt too silly to call anyone at that time so waited until morning. Finally, the next day after unanswered calls to my parents and my brother, my mom calls from the hospital. They were there with my brother who was getting his face and teeth put back together after going through the windshield in an accident the night before at - yep - 1am.