Girls Wearing Pajamas

wearing
Mentally or physically tiring
erosion: (geology) the mechanical process of wearing or grinding something down (as by particles washing over it)
wear: the act of having on your person as a covering or adornment; "she bought it for everyday wear"
exhausting: producing exhaustion; "an exhausting march"; "the visit was especially wearing"

pajamas
A suit of loose pants and jacket or shirt for sleeping in
Pajamas, also spelled pyjamas (see also spelling differences) can refer to several related types of clothing. The original paijama are loose, lightweight trousers fitted with drawstring waistbands and worn in South and West Asia by both sexes.
(pajama) (usually plural) loose-fitting nightclothes worn for sleeping or lounging; have a jacket top and trousers
A pair of loose pants tied by a drawstring around the waist, worn by both sexes in some Asian countries
(pajama) a pair of loose trousers tied by a drawstring around the waist; worn by men and women in some Asian countries

girls
A person's daughter, esp. a young one
A young or relatively young woman
(girl) female child: a youthful female person; "the baby was a girl"; "the girls were just learning to ride a tricycle"
A female child
(girl) a young woman; "a young lady of 18"
(girl) daughter: a female human offspring; "her daughter cared for her in her old age"