The sign for "wake-up" shows the eyelids "opening." If you just use a sleepy facial expression then it means "wake-up." If you use a "surprised" look on your face, do the sign quickly, and open your mouth in surprise, this sign will mean, "surprised."
WAKE-up:
Sample sentence: What time do you wake up during summer vacation?
0:00 / 0:00
Also see: SURPRISE
Notes: