There is some anecdotal evidence that leaving a radio on can deter mice, but the scientific evidence is inconclusive. There are a few studies that suggest that mice can be deterred by loud noises, including one study conducted in Norway that showed mice avoided areas with loud noises.
Instead of catching mice, like mouse traps do, ultrasonic devices emit sound waves at a frequency that mice find absolutely unbearable. Ultrasonic devices with a sound frequency of 10,000 Hz are most effective at keeping mice away. It's best to buy several of these devices and replace them every 3 weeks.
Ultrasonic Sound Devices: How They Claim To Repel Rodents
Most sound repellents can produce sound frequencies up to 65,000 Hz, which fall in the average hearing capacity of mice and rats. This sound is above the average level of human hearing but still repels rodents due to their extremely sensitive hearing.
Use essential oils
Essential oils with a strong smell, such as peppermint and clove oil, can repel mice. For best results, soak cotton balls in the essential oil of your choice and put them in areas you've noticed mouse activity – such as drawers, cupboards, and under sinks.
Unfortunately, the light inside your house is not a very effective deterrent to mice. Once inside a house or a building, they can easily look for dark areas to hide until such time as all lights are turned off. Places they can hide include inside the walls, crawl spaces, attics, and ceilings.
However, they are not typically interested in crawling on people while they are sleeping. In fact, mice are generally afraid of humans and will do their best to avoid contact with us. If you do happen to find a mouse in your bed, it is likely that the mouse has been displaced from its nest or is looking for food.
As for the lights inside your house, it is not an effective mice deterrent. This is because they can easily look for dark areas to hide inside houses until such time as all lights are turned off. While the lights are on, they can hide inside walls, crawl spaces, attics, and ceilings.
Natural smells like peppermint oil, eucalyptus, and citronella can also repel mice and force them out of the cracks in the walls. These solutions are mainly used as short-term preventive measures, but they can also be helpful if combined with other mice control techniques.
If it helps you sleep any better, the likelihood of a mouse crawling into your bed and climbing on you while you sleep is generally low. However, it is possible, and it may make it more likely under certain circumstances.
Mice won't disappear by themselves
Unless you change your habits to deprive mice of their food, wipe out the existing population and proof your property to stop them coming back, you'll always be sharing your home with disease-spreading, food-stealing mice.
There are a few studies that suggest that mice can be deterred by loud noises, including one study conducted in Norway that showed mice avoided areas with loud noises.
You should not see any new mouse feces in your home. You know all the mice are gone from your house when you no longer see clawed or gnawed food packages, feces, or full traps while also not smelling or hearing mice.
Pest type: Most studies have found these devices to be largely ineffective in repelling insects such as roaches, mosquitoes, and bed bugs. Furthermore, research has shown them to have limited effectiveness against rodents, with some rodents becoming accustomed to the sound over time.
Mice are nocturnal creatures, so they are most active between dusk and dawn. They don't usually like bright lights, but a mouse may sometimes be seen during the day, especially if its nest has been disturbed or it is seeking food. Seeing them in the day also can indicate a large infestation in a home.
When choosing an indoor nesting spot, mice hide in remote areas where there isn't much foot traffic. This usually includes wall voids, attics, crawlspace, and garages. They also hide in the warm cavities beneath appliances, in pantries or kitchen cabinets with easy access to food sources.
The most common areas they like to hide are in between walls, pantries, cupboards, sofas, old boxes, and other similar areas wherein they would not be disturbed inside your home. They also live in barns, granaries, and fields, where food is readily available.
Spotting one elusive mouse typically means there are at least five or six hiding out in your walls, basement, or attic. This is particularly true if you see a mouse at night or in a low-traffic area of your home. For more proof of a full infestation, look for these indicators: Scratching noises in the evening.
Generally, the more access to food and shelter a mouse has, the longer it will live. This means that a mouse in your home has the potential to stick around for several months at a minimum. While it would be nice if mice simply visited your house and then moved on after a short time, this is rarely the case.
In bathrooms, mice like to hide under or inside cabinets. Bedrooms. One shudders to think about it, but mice could be under your bed, or worse, inside of it. Mice also appreciate closets, since they are dark–and many of us don't clean them as regularly as we ought to.
So is there a chance that a mouse will crawl on you while sleeping? If mice have already taken refuge in the bedroom, there's a chance that they will crawl on you in bed. They typically do this when the fastest way to get from one place to the other is across the bed.
Green light, it turns out, puts mice to sleep quickly, whereas blue light actually seems to stimulate the mice, though they did fall asleep eventually.