Tips and Tricks

Should I Close My Blinds Up or Down?

The Great Debate: Up or Down?


As much as you love sunlight, there are, of course, times when you would much rather be clouded in darkness. When you get home from a long day at work and want nothing more to plop down in front of your television and watch your favorite shows, glare can be a big problem. Glare not only makes it difficult to see what’s going on, but can also cause eye discomfort and headaches. Then there is the early morning. Unless you want to get up with the sun, a closed blind is your best friend. According to the National Sleep Foundation, “your bedroom should be free from any light” in order to get a good night’s sleep – 7-9 uninterrupted hours. “Darkness prompts the pineal gland to produce melatonin, a hormone that increases both sleepiness as well as length and quality of sleep,” explains Jennifer Barrett, author of “Sleep Oasis.”

So that brings us to the big question: up or down? When closing your blinds, whether wood or aluminum, is it better to angle the slats up or down? The answer: it depends…

The Great Debate: Up or Down?

Most blinds are designed to close tightest in the down position. However, this does not mean that down is always the best solution. Here at Next Day Blinds, we recommend positioning your blinds in the down position in the evening to block as much light as possible and provide the most privacy. During the day, meanwhile, we recommend positioning your blind slats in the up position during the day-this helps prevent UV damage. Even though ultraviolet radiation (UV rays) make up a very small portion of the sun’s rays, it is the main cause of the sun’s damaging effects on your health and your home, causing color fading and deterioration of fabrics and woods over time. UV rays (40%), visible light (25%), and solar heat (25%) each play a factor. UV radiation degrades materials, attacking their molecular structure, while visible light and solar heat also causes damage, but at a slower rate.

An uncovered windows only block 40–50% of incoming UV rays, while most blinds, shades, and shutters block 90-99% of harmful UV rays.

Chestnut Wood Blinds in Bedroom