with practice u can do it. i think anyone can do it really. ive been trying but its hard to do . havent acnieved it yet. u know tat feeling when ur just starting to fall asleep and u suddenly wake up thinking ur falling off the edge of ur bed but when u wake up ur in the middle of ur bed and not gona fall off? thats the closest i have gotten but i snap out of it at that point. hmmm