SFGate

hildegard09 I feel it's a personal choice. I've put the rods above the window in some rooms, while in others I've put them up to the ceiling, below the crown molding. It's just a matter of what you like for that space.

Manon Floreat It depends on whether you want your ceilings to appear to be higher than they are. Floor to ceiling curtains will visually heighten the ceiling of a room. It's a popular treatment for rooms with average 8ft ceilings.

Matteo Dezigns Ultimately whatever you feel most comfortable with, but personally, design 2 makes a cleaner and more dynamic statement. Design 1 is dated and what was the old school of thought. Ceiling to floor drapes will make your room feel 'taller'
www.matteodezigns.com

Natalie Yes---hang'em and wide. It will not only make the ceiling look higher, but the window(s) will appear wider as well. CheerS!