no it will make you tried but you will not be up all night if you need more informatin check this web site: http://chronicfatigue.about.com/b/2009/06/12/savella-for-fibromyalgia-have-you-tried-it.htm
If you mean do oranges keep you awake at night, they shouldn't unless you have acid reflux. That could definitely keep you awake.
If you mean the color...yeah, it keeps me awake cuz its so bright.
Anything that stimulates the brain, such as caffeine, sugar, etc. any type of noise (loud, annoying) A big problem that could keep you thinking, i.e. troubled mind