Translation of grauenhaft

please look at the attachments and tell me if there is something missing. I did not want to send you brochures that are intended for the hardware market. The company has experience with all routers.
I even put on my Poncho, a plastic rain coat, in order to protect myself from the aircon-breeze. Somehow I managed to fall asleep and woke up at around six in the morning when we approach Palenque.
We arrived without any more power back in the village of Sapa and went for dinner right away. We went to bed early, because of the physical exercise and because we did not sleep well a night earlier.