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An outdoor wall light switched on in the early evening.

Should You Sleep With a Porch Light On?

January 4, 2024

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In both residential and remote areas, you’ll see houses with porch lights left on at night. Sleeping with a porch light on is often viewed as a home security measure.

However, there are downsides to sleeping with a porch light on. Porch lights on 24/7 aren’t the best deterrent against crime. It also harms the local area and its wildlife.

Keep reading to learn if you should sleep with a porch light on and if it prevents home invasions.

Table of Contents
  1. Should You Sleep With a Porch Light On?
  2. When to Turn a Porch Light On
  3. When to Keep a Porch Light Off
  4. Do Porch Lights Deter Crime?
  5. Should I Leave My Front Light On at Night?
  6. Conclusion

Should You Sleep With a Porch Light On?

Sleeping with a porch light on may deter thieves from breaking into a property or stealing a vehicle from a driveway.

Porch lights left on overnight give the illusion that someone is home, which prevents burglars from targeting a property.

Lights also make the entrance and parked cars more visible. Should a neighbor look out their window, the lights illuminate anyone on the property. Therefore, someone attempting to break in or steal a car is more likely to be spotted.

When to Turn a Porch Light On

It’s best to turn a porch light on when sleeping, going out for the evening, expecting a package, vacationing overnight, or when family members (like teenagers) are coming home late at night.

Leaving a porch light on overnight is a somewhat effective home security measure. It may help prevent burglars from breaking in, as intruders on the property are visible to neighbors and passers-by.

Outdoor lights left on at night also make it safer for residents when returning home. Leaving a light on before going out makes it easier to find keys in a bag and unlock the doors.

It might discourage criminals from following you to the door, as their presence is more visible to neighbors and home security cameras under the porch lights.

AlfredCam Plus live feed showing a fox walking across a lawn.
Wildlife captured by AlfredCam Plus.

When to Keep a Porch Light Off

Leaving a porch light on overnight isn’t the best home security measure for long vacations or if the property is vacant. It’s also wasteful, both in terms of money and energy. If you’re concerned about the impact leaving a porch light on has on the environment (or your electricity bill), install motion detector lights instead.

A light that stays on can in fact make a home a target for break ins, because eventually criminals assume no one is ever in the property.

It also isn’t a good idea to leave porch lights on if you live in a remote area with no neighbors or high-traffic roads nearby.

In these situations, porch lights will only highlight your property to burglars and make it easier for them to break in, particularly if the home is vacant.

Keeping a porch light on during the day is wasteful and largely purposeless.

Do Porch Lights Deter Crime?

Any lights on a property, including porch lights, can deter crime. Porch lights illuminate a property’s driveway and entrances, so they aren’t targeted as often as dark properties.

However, it’s important to remember that most burglaries take place during the day between 10am and 3pm. Homeowners have less chance of being burgled at night than during the day.

With 20% of burglaries taking place at night, it’s still important to protect a home from break-ins during the late hours.

A better investment in home security is to install cameras on a property. These protect a property both during the day (when no one is home) and at night.

AlfredCam Plus cameras on a windowsill looking out over a parking area.
AlfredCam Plus being used to monitor the driveway.

Cameras also prevent car theft, particularly if cars are parked on a driveway or on the street just outside the home.

Should I Leave My Front Light On at Night?

Leaving a front light on is not as effective in deterring burglars as home security cameras.

Research shows that criminals are three times more likely to walk away from a property if they spot a camera. Since security cameras like AlfredCam and AlfredCam Plus record in darkness using infrared night vision, homeowners should prioritize cameras over lights for security.

AlfredCam and AlfredCam Plus side by side on a white table.
AlfredCam (left) and AlfredCam Plus (right).

Lighting is useful when used alongside cameras. Lights increase the visibility of the subject as well as the camera itself, enhancing its ability to deter.

Motion detector lights are a better solution than permanently leaving lights on, which is wasteful and likely to irritate neighbors (and local wildlife).

What is the Best Type of Outdoor Light?

The best type of outdoor light to install is a motion sensor light. These work best for increasing home security, as they turn on when motion is detected on the property boundaries.

They can scare off intruders and alert residents to the presence of someone on the property. Motion sensor lights also save electricity, as the light only turns on when motion is detected.

However, motion sensor lights have their downfalls. They don’t just detect intruders, but animals, too. Should raccoons, cats, and other animals frequently parade the area at night, the lights will turn on and off continuously.

This isn’t just an inconvenience. It normalizes the triggering of the lights, making homeowners and neighbors less likely to wake up or investigate if the light goes on at an unusual hour.

break-in footage captured by AlfredCamera
A break-in footage captured by the AlfredCamera app.

Conclusion

Keeping porch lights on at night is a reasonable way to deter crime, but not the best. Energy-efficient lightbulbs keep running costs low, making it an easy, cheap way of protecting a property.

Motion sensor lights are a better solution for those conscious of running costs, environmental impact, and annoying the neighbors and local wildlife.

Outdoor lights also make it easier for residents to open doors when returning home at night and get in safely.

Security cameras installed inside and outside the property are a better deterrent, and are complemented by the installation of outdoor lighting.