Wherever the President allows or wants them to sleep. It's fully his decision. (There is no override on this one!)
GW Bush
Breathe, eat, sleep
in a regular hotel like a regular person
George Washington
Yes, it is kinda obviouse cuz their married.
It depends on how old they are. Most White House kids are old enough to have their own room, so they do.
President Obama sleeps in the Lincoln Bedroom in the White House.
That is a place where he goes home to at night, usually to eat sleep and shower. Whilst president his home would have been the White House.
People who should know say that on occasion he dosed off.
What happens is every time you go to sleep you get 5000 dollars for your political career.
William Howard Taft suffered from obesity-related sleep apnea, but he did not die of it.