Yes
Not at all
yes
sleeping with you hair in a bun can give your hair an akward wave depending on your hair
Really good, you can have long hair when you like, can have them out for sleeping and washing your hair etc. They don't really cause damage to own hair like glue in ones do.
The chemicals in shampoo and conditioner can cause damage to your hair if used too often.
the causes of greasy hair are, not washing your hair often enough. and using to much conditioner. WASH UR GREASY HAIR!
Yes. The heat will damage your hair and cause the ends to split eventually. It dries out your hair a lot.
Yes - Everything Grows Faster When You Are Sleeping
you cant
No.
no
No. It has absolutely no effect on vision. Genetic factors affect vision. Also, straining your eyes (i.e reading in dim lighting) will cause your eyes to work harder than they need to, thus worsening your vision.