Different hair styles i can do that are easy and have no heat?

i have dark brown hair, medium length. my hair is naturally wavy but it just goes into a puff ball when i get out of the shower so i straighten it all the time but my hair dresser said i should try not to use any heat on it for a week or two. what are quick easy hair styles i can do before i go to school in the morning (im in high school) , but i don't want to just put my hair up every morning i want different styles i can do for a week or two?Different hair styles i can do that are easy and have no heat?
take a shower at night and then while your hair is still wet, make 2 french braids. Keep them in while you sleep. When you wake up, take them out and your hair will have these perfect cute waves!



it might look something like this:

http://img2.timeinc.net/people/i/2004/04/a>

http://thebeautybunny.com/wp-content/upl/a>