Associating his passing out with going to sleep at night scares him because he said everything was black and gone and he is afraid to go to sleep because it is too much like when he passed out and now has associated the 2 with dying and how that might be like the same.
The brain is
more active during sleep than when awake. Possibly researching sleep and dreams, etc. will appeal to your son's analytical mind and comfort him that closing his eyes and letting his conscious mind go doesn't mean
he's gone!
