It is normal that my roommate sits in living room in the dark all night?
Me and my female best friend share a room in a three bedroom apartment. A new roommate (a guy) moved in a couple months ago. In the time he has lived here, he hasn't spoken to us at all, save 1-2 conversations asking if I was single, or asking my friend to drink with him in his room at 11:30am. But a few times now me or my friend have gone into the kitchen/common area of our apartment late at night around 1-4 am (to use the restroom, get a drink of water, whatever). And a few times now, we turn on the light to see him just sitting there, in the dark without a phone and fully dressed.