24, 25, 26: setting the pre-bedtime scene

24. Dim the lights. Bright lighting, in particular the “blue light” emitted by most electronic devices, might contribute to sleep disturbances. Tech-savvy insomniacs might want to check out the special glasses designed to block blue light and help us snooze through the night [13].

25. Get some fresh air. Exposure to daylight helps regulate the body’s internal clockand with it, sleep timing. Getting some sunlight also keeps daytime fatigue at bay, leading to more sleepiness at bedtime.

26. Establish an “electronic curfew.” The artificial lights from computers, TVs, and cell phones might make it more difficult for the body to understand when it’s time to wind down. And one study suggests limiting TV at bedtime can reduce sleep debt