Distractions do keep us from hearing God.
We are so preoccupied all the time, on our computers, our cellphones, radio is on when driving, talking to someone, etc. We seldom are silent these days.
Seriously...not only do we not "talk" with God, we don't even talk with ourselves. We have no time to actually contemplate something, or thing about anything. We always distract ourselves with music, TV, news reports, etc.
Silence is blessed. Next time you are in the car, don't turn on the radio. Just drive in silence and be amazed just how much thinking you can get done before you reach work, or the shopping mall, or the school.
How can we possibly hear God over all the din we have created in our lives? It's impossible.
So, yes....if you can, set aside a few minutes and start with prayer....and then just sit. Relax....and it will come to you with time.
How do you know if your thoughts are from God? That's easy. If the thought or idea works towards the glory of God, or if He would be pleased by the action, or if it is positive for your soul, good for the world, etc....then it is most likely God directing you. Have faith. He will guide you.
Silence is golden.