Are you a thinker? Do you over think things? Is this good or bad?

I do think a lot when ever i heard a new thing which interest me and i would apply logic also search books or internet to knwo whether there is truth in that .thinking i think is good for one to improve his abilittes and to arrive at correct decisions in ones life. i think if you are losing your concentration coz of too much thinking you have to do meditation.

Yes, I am definitely a thinker. I like to sit and think things through before I make a decision. I think that it is a good thing to do. If think before we leap it gives us a chance to look at the what ifs or consequences.

i do my best thinking when i first lay down at night

I agree with the overthinking. I do that as well. I find it helpfull just to write. Seems to keep some of the stress at bay. And eases the mind. If you get it out, there's no reason to overthink a subject. That's what I do to Not Overthink Things.