Sheer curtains are made of lightweight, transparent fabric that allows light to pass through, making them a decorative option for a room.

While they may provide some privacy during the day, at night, the transparency of the fabric means that your privacy is reduced. To increase privacy, you can use sheer curtains in combination with other window treatments such as blinds or heavier curtains. The level of privacy provided by sheer curtains may also vary depending on the type and colour of the fabric used, as well as any patterns or designs on the fabric.

Overall, sheer curtains are best used for decorative purposes or to add a soft, airy touch to a room, rather than as a primary source of privacy. If privacy is a primary concern, you may want to consider using other types of window treatments that offer more coverage and block more light.