I'm not a rocket scientist, nor do I claim to be one. On a more serious note, I began keeping a log of my dreams somewhere in January of 1995. So began my journey into the abyss of dreams. It does take perseverance mind you. Left unattended, dreams will not flourish on their own.
Dreams are like flowers in a garden.
Sure you get the occasional weed, but every once in a while you get one that blooms so bright and so large, it begs to be picked. Still, I highly recommend this. If you think you'll be able to remember them come morning, don't bet on it. Been there, done that. Sometimes it works, but mostly it doesn't.