6. Under Armour Women's HeatGear Armour Leggings

Under Armour Women's HeatGear Armour Leggings are a popular choice for women who prefer a more athletic style for their sleep leggings. Made from a blend of polyester and elastane, these leggings offer a compression fit that supports your muscles and enhances blood circulation. The HeatGear technology wicks away sweat and keeps you cool and dry throughout the night. With a wide waistband and a variety of colors to choose from, these leggings are both functional and fashionable.