posted by John .
1. Blue helps headaches.
2. Blue helps with headaches.
(Which one is correct? Are both correct? Which one is a common expression?)
3. What does the color purple do for you?
3-1. It helps me sleep better.
3-2. It helps us sleep better.
(Which one isa better answer?)
John, I have not heard either of those . But, both are grammatically correct.
#3.1 would be the correct answer since the question is directed at you.