I can't stand the dark. I need a light on in my room to fall asleep. 
I'm am so afraid of the dark. I can't fall asleep so I have to have a light on in order to fall asleep. 
user
Have you always had this fear of the dark
assistant
Yeah ever since I was a little kid. 
user
Is there any specific reason why?
assistant
I've just had some bad experiences in the dark as a kid. 
user