Firefighters are urging people to rethink where they keep and charge their smartphones. A seemingly harmless habit could increase the risk of overheating, battery damage, and even house fires. Here’s what safety experts want everyone to know.

Smartphones have become an essential part of daily life. We use them for communication, entertainment, work, and even managing our homes. Yet despite carrying these devices everywhere, many people remain unaware of certain safety risks associated with how and where they store them.

According to firefighters and fire safety experts, one of the worst places to keep a phone is on a bed, couch, pillow, or other soft furnishings while charging. While it may seem convenient to plug in a phone before going to sleep and place it beside you, this common habit can create dangerous conditions that increase the risk of overheating.

Modern smartphones contain lithium-ion batteries, which are generally safe when used correctly. However, these batteries can generate heat during charging, especially if the device is covered or lacks proper ventilation. Soft surfaces such as blankets, pillows, and mattresses can trap that heat, preventing it from dissipating effectively.

Firefighters report that phones left charging under bedding or between couch cushions may become significantly hotter than those placed on hard, flat surfaces. In rare cases, damaged batteries or faulty charging accessories can overheat to the point of smoking, melting, or igniting nearby materials.

Another concern involves charging cables and accessories. Many people use low-cost replacement chargers that may not meet safety standards. While not every third-party charger is unsafe, poorly manufactured products can increase the risk of electrical faults, overheating, and battery damage.

Experts recommend charging devices on hard surfaces such as desks, tables, or nightstands. These surfaces allow air to circulate around the phone and help prevent heat buildup. Keeping charging devices away from flammable materials adds an extra layer of protection.

Firefighters also advise checking phones regularly for warning signs of battery problems. A battery that appears swollen, causes the phone to become unusually hot, or drains rapidly may require immediate attention. Continuing to use a damaged battery can increase safety risks and potentially lead to device failure.

The issue becomes especially important overnight. Many people charge their phones while sleeping, which means they may not notice signs of overheating. If a problem develops during the night, valuable time could be lost before action is taken. For this reason, some safety professionals recommend avoiding charging phones directly beside the bed whenever possible.

In addition to fire concerns, excessive heat can shorten battery lifespan. Batteries exposed to high temperatures may degrade faster, leading to reduced performance and more frequent charging. Simple changes in charging habits can help both improve safety and extend the life of a device.

Fortunately, reducing risk is straightforward. Place phones on a stable, hard surface while charging, use certified charging equipment, avoid covering devices with blankets or clothing, and replace damaged batteries promptly. These precautions require little effort but can make a significant difference.

As smartphones continue to play a central role in everyday life, experts emphasize that awareness is key. Most charging sessions occur without incident, but understanding the potential hazards can help prevent accidents before they happen.

Firefighters hope that by sharing these safety reminders, more people will adopt safer charging habits and protect both their homes and their families from avoidable risks. Sometimes, the safest change is simply choosing a better place to put your phone.