Butterick 3709 vintage sewing pattern, dated ca. early 1980s. 

Nightshirt and Shorts:

Loose-fitting nightshirts have short cap sleeves with shaped slit openings and shaped hemline with hemline slits, topstitching. View A has shaped collar, front buttoned band opening. View B has round neckline with self ties, front slit and shaped patch pockets. View C has V-neckline, front opening with double button and thread loop closing. Shorts have elasticized waistline and shaped lower edges. 

Size SMALL 8 - 10:

Bust 31 1/2 - 32 1/2 inches / 80 - 83 cm

Waist 23 - 24 inches /' 61 - 64 cm

Hip 33 1/2 - 34 1/2 inches / 85 - 88 cm