Translation of mordaza

I fell asleep but woke up in the middle of the night. My stomach turned upside down and I could not hold myself anymore. I needed to vomit and ran to the bathroom. This occurred three times.
In addition, I want to inform you that I found a possibility to deliver a more Spanish lessons from Vocabulix. To my knowledge, the lessons are excellent and a great base for the Spanish training.
The Lagoon Explorer had only room for eight passengers and crew. We were really excited once we saw the boat, as it looked beautiful. There was a couple from D.C. which also booked the same boat.