This is why I'm leaning toward a twin bed for my daughter and not a full. Trundles are so fun!
Modern Guest Room Decorating Ideas
No space for two beds or a bunk bed? Then get sneaky with your modern guest bedroom by incorporating a trundle bed. http://www.yliving.com/blog/modern-guest-room-ideas/
Lisa's apartment in Paris
Fantastic pink and green girl's bedroom with built-in cabinetry and daybed with trundle ...
AMAZING! DIY trundle bed. 2-4-1 bed situation for our small spare room!
Built in bunk beds with trundle bed. Can sleep many without taking up too much space
RH TEEN's Devyn Tufted Daybed With Trundle:Generous tufting on the back and sides of our platform-style daybed offers all the comfort of a sofa, making this an ideal spot for lounging, reading or indulging in some quiet time.