Another question.

Do I have to be in a dark room while I do this or not? cause this might freak me the fuck out if I do.

I'm not sure if this is the right place to post this but here it goes. Anyways I'm new to I-Doser, and my friend told me about it. Now I just have a couple of questions. 1.) Some people say they here demented sounds and scary shit happening, and I usually get paranoid if I hear something abnormal, l...