Sorry to hear about this. The damage doesn't look too serious, so you can probably just replace parts.
I've fallen asleep about a few times, but I wake up right away after hitting the lane reflectors. It is a scary thought after realizing you have. One method that I use to keep me awake is rolling the windows down. The cold air and noise keeps me awake. Heck I've even stuck my face out the window for better results.
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