I often (say in the afternoon or whatever) rememebr a dream, moderately vividly, as if it was from the night before. I kinda rememebr remembering it before, but then i kinda dont 
oh i just found the emoticon panel 
and why is the 19th called “overspannen”? is tha dutch?
Anyway, do you reckon that the dreams i am remembering are from the last night, or previous nights?
really only you yourself will be able to decide this as you are the one remembering.
[off-topic]yes quite a few smilies use the dutch descriptions[/off-topic]
Just do a every day Dream Journal , and write it when you wake up , with that the dream will be really fresh all days.
Sometimes its weird , I can remember last years dream more than a dream last weeks. The brain is like that…