mi pequeño principe esta durmiendo.
Duermen/estan durmiendo = they are sleeping
Prince Philip, or others might say Prince Charming.
príncipe
'Ella esta durmiendo'.
The Spanish name for the Haitian capital of "Port-au-Prince" is "Puerto Príncipe".
"Príncipe Negro"
estoy durmiendo or just "i sleep" : duermo
hiko
The Spanish word for 'little piggy' is 'cochinito'.
La Bella Durmiente
poco
The phrase "people dream whenever they're sleeping" translates into Spanish as "gente sueña cuando están durmiendo" - according to Google translator.