I get the feeling that the man driving the car was religious therefore he would not have been driving during Shabbat. Why would he have fallen asleep because it would have been during the day. Secondly those who doze off awake suddenly and tend to step on the break quickly causing tire marks.
UN agency warns school may be delayed for Palestinian refugees due to lack of funding (AP)
from the article: Fatal West Bank car crash caused by Palestinian stone-throwing