How can you prevent insomnia?
a. go to bed sometime before midnight.
b, don't drink energy drinks or drinks containing caffeine before bed.
c. exercise strenuously in the late evenings.
d. you can't prevent insomnia.

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.