Hey man, sometime I ski till 3a.m, yes i ski all the night long and after i drive 1h30 to my house. I always drive whit 3 friend whit loud music, and i keep my light open... Yea its sound stupid but help me . If not redbull are good but take it like 30 minute before leaving and try too eat some bad food. ( mcdonalds and those carp whit full of caloriea and sugar)