Camouflage Sleepwear

camouflage
disguise: an outward semblance that misrepresents the true nature of something; "the theatrical notion of disguise is always associated with catastrophe in his stories"
fabric dyed with splotches of green and brown and black and tan; intended to make the wearer of a garment made of this fabric hard to distinguish from the background
The clothing or materials used for such a purpose
An animal's natural coloring or form that enables it to blend in with its surroundings
The disguising of military personnel, equipment, and installations by painting or covering them to make them blend in with their surroundings
disguise by camouflaging; exploit the natural surroundings to disguise something; "The troops camouflaged themselves before they went into enemy territory"

sleepwear
Pajamas or other clothing suitable for wearing in bed
nightwear: garments designed to be worn in bed