Who sleeps less than 8 hours a night?
เลือกคำตอบเดียว
a. Sarah goes to bed at 10 pm and gets up at 7 am.
b. Susie goes to bed at 9 pm and gets up at 5 am.
c. Sarah goes to bed at 8.30 pm and gets up at 5.30 am.
d. Sarah goes to bed at 10.30 pm and gets up at 6 am.