The Reason Scientists Say You Shouldn’t Make Your Bed


The neat freaks among us are not going like this news.

Growing up, most of us probably heard our parents tell us time and time again to make our beds each morning, but as it turns out, they could have been wrong.

Research from Kingston University has shown that making your bed in the morning traps in dust mites that have accumulated overnight and provides a breeding ground for allergens that can exacerbate asthma and allergies.

What To Know About Dust Mites

These microscopic bugs feed on scales of human skin, and they thrive in moist environments. When we sleep during the night, our bodies become warm and sweaty, making us a prime target for these dust mites to feed on our skin (and leave behind excretions that can give us asthma-like symptoms).

Flickr | arkhangellohim

Making your bed first thing in the morning traps in this moisture, allowing your bed to be a home for up to 1.5 million dust mites. If you leave your bed messy, however, the mites are exposed to air and sunlight, which causes them to become dehydrated and die out.

Because mites can produce allergens that are problematic for people with asthma or allergies, it’s important to minimize the number of mites milling around in your bed.

To search for a solution to the problem, scientists at the university developed a computer model to track the number of dust mites in the home, and they found that leaving your bed unkempt throughout the day is the best solution to reduce the number of dust mites. Letting your bed air out to remove any moisture inhibits mite survival, so you no longer have to feel guilty about heading out the door in a rush with your sheets in a tangle.


If you’re someone who can’t stand a messy bed, at least consider leaving your bed unmade in the morning for a few hours, and putting it together later in the afternoon.

Combatting Dust Allergies

The American College of Asthma, Allergy and Immunology recommends the following to help combat dust allergies at home:

  • Remove wall-to-wall carpets, particularly in the bedroom.
  • Keep pets out of the bedroom, and preferably out of the house.
  • Minimize household humidity.
  • Use “mite-proof” cases on mattresses and pillows; wash bed linens frequently in hot water.
  • Install a high-efficiency media filter in your furnace and air conditioning unit.

Keeping your house cool and dry can also help reduce dust mites, as they thrive best in a warm and humid environment.

Getty Images | George Frey

Other Benefits Of Keeping Your House Cool

Besides combatting mites, keeping your home cool (between 60-67 degrees seems to be the ideal) while you sleep has been shown to provide a number of other health benefits, including:

1. Decreasing Your Risk For Metabolic Diseases

In a 4-month study, it was determined that sleeping in a 66-degree room not only burned more calories while awake, but the amount of “brown fat” (or good fat) in the body increased. Brown fat allows your body to burn calories, not store them. Together, this could help lower the risk for metabolic diseases like diabetes over time.

2. Getting A Better Night’s Sleep

When your body isn’t too busy trying to regulate its temperature, you’ll fall into a deeper, more restorative sleep. Research in Australia has also proven that sleeping in cooler environments can help decrease certain types of insomnia. And, as we know, getting enough sleep is so important to our overall health.


3. Looking More Youthful

It’s been shown that sleeping in temperatures between 60-68 degrees will allow your body to release more melatonin, which is not only essential to a good night’s sleep, it’s one of our best anti-aging hormones.

If you and your spouse argue over the thermostat setting or your house just can’t seem to get cool enough for you, here are some tips for staying cool while you sleep:

  1. Freeze your top sheet and put it on right before bedtime.
  2. Sleep naked. Fewer clothes = less insulation.
  3. Use a fan to circulate air around the room.
  4. Purchase a cooling pillow to help naturally draw the heat away.
  5. Soak your top sheet in cold or ice water and ring out out well. As it dries, it will help wick away heat.
  6. Stick one or both feet out from under the covers.

Investing in a “smart” thermostat that can be programmed around your sleeping schedule can help, too. These thermostats, like the Nest or Lennox iComfort, can help keep your home cool while you sleep but ensure it’s not a chilly 60 degrees when it’s time to roll out of bed in the morning.