You can’t function well in life without it. Lattice Geometric Blackout Thermal Curtain Panels are a necessity for privacy. Being awoken by the sun is right for you, but there are times when darkening a room aids in sleep especially for napping children, shift workers or others with nontraditional sleep schedules and for blocking artificial night-time light such as from a streetlamp. Lattice Geometric Blackout Thermal Curtain Panels also are energy saving (keeping heat from escaping in the winter and the hot sun from heating up your room in the summer) and help block or muffle outside noise.