Reflections from the English Language Program

Virginia Commonwealth University
Pre-Intermediate Writing
Sun Nov 21
Insomnia Means More Than A Bad Night's Sleep

What does prevalent mean?  Perhaps your classmates do not know this word so it could he helpful to define it for them.

wijdan1116:

1) what insomnia does mean?

2) How many hours should be to sleep?

3) what is tha most prevalent sleep problem?