NICETOWN Blackout Curtains — 52 x 84 In, Grommet Top, 2 Panels
Light in a bedroom is not a comfort question, it is a biological one. Melatonin production is suppressed by relatively modest amounts of light, and a streetlamp outside an uncovered window or a 5am summer sunrise will shorten sleep whether or not the sleeper notices. Blackout curtains are one of the cheapest interventions available for a problem that affects a great many households. Nothing else on this shelf combines this rating, this evidence base and this price, and the caveat is about installation rather than the fabric.
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