It is "que sueñes con los angelitos" (dream about litttle angels).
have sweet dreams in spanish is:dulces sueños
recuerdos/memorias dulces
Buenas noches y suenos dulces.
Que tengas sueños dulces.
Sweet dreams in spanish is actually Dulce suenos with this symbol(~) on the n in suenos. This a grammar rule.
How to Make a Nightcap
Guitar Hero- Sweet Dreams
American Dream Shooter
Katy Perry Looks Sweet on London Leg of Tour