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Figueiro and Pedler make useful suggestions related to circadian lighting: “Open the window shades in your home or office but be careful to avoid creating glare. . . . When sitting by a window, try to face it. . . . If you cannot work facing a window, add extra table or floor lamps next to your work area. A do-it-yourself (DIY) circadian lighting device is another option. If you have access to windows, make sure the shades are open…