Blackout curtains are helpful to people who sleep during the day due to working at night. They also help people who suffer from migraine headaches and need a completely darkened room. Purchasing pre-made blackout curtains can be expensive and lack style. You will have many more décor options if you choose to purchase unlined curtains and blackout material separately and line the curtains yourself. You may also choose to line your existing curtains with blackout material. Lining your own curtains will be economical and can be accomplished in only one afternoon. more »