A great Kwik Sew pattern with special easy-to-follow instructions. Misses' sleep pants and shorts have elastic in a casing at the waist.
Fabrics suggested are woven cotton, cotton types, flannel, broadcloth.
See the size chart to determine your size and the envelope back for material requirements. Note, notions required include matching thread, 1 yd 1" wide elastic.
Spark Any of the quilting cottons will be perfect for these, but the beautiful Kaffe Fassett fabrics would be an awfully nice way to wake up.