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Blackout refers to a foam-backed, opaque fabric used to black out light. Blackout fabrics are most commonly found in hotel rooms as curtain linings or drapery fabrics, blocking much of the light that would otherwise enter through a window when the curtains are closed. For travelers, third shift workers, and parents of babies, blackout is an ...
Thankfully, blackout curtains are a simple solution to the problem. To achieve a dark room, he recommends using blackout curtains — curtains that block out light to help you sleep through the night.
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
A blackout curtain used in Auckland, New Zealand during World War II. Lights can simply be turned off or light can sometimes be minimized by tarring the windows of large public structures. In World War II, a dark blackout curtain was used to keep the light inside. Tarring the windows can mean a semi-permanent blackout status.
Textured linen, noise-absorbing cotton—these 10 blackout curtains deliver on their simple task of blocking light. These are the ones doing it best in 2024.
Just open them up to let natural light wake up your sleepyhead. If you have a baby or child who just won’t sleep through the night, rule No. 1 is making sure their environment is conducive to sleep.