Charging a phone overnight may seem harmless, but placing it on a bed, pillow, or blanket can create a potential fire and overheating risk. Soft surfaces can restrict airflow around the device and charger, allowing heat to build up during hours of charging. The risk can be greater when the phone is covered or surrounded by bedding.

Damaged or poor-quality charging accessories can add another hazard. Frayed cables, bent connectors, or worn insulation may overheat, spark, or cause an electrical fault. Even when a phone reaches full charge, the charger and connected equipment remain plugged into electricity, so keeping them in a poorly ventilated location is not a good idea.

A safer approach is to charge your phone on a hard, flat surface such as a nightstand, desk, or table. Keep the device uncovered and away from blankets, clothing, curtains, and other materials that could trap heat or catch fire. It is also important to replace damaged cables and adapters and use reliable charging accessories.

Changing this simple habit can reduce unnecessary risks without requiring much effort. Instead of charging your phone beneath the covers or beside your pillow, give it plenty of ventilation and keep it on a stable surface. A few extra seconds of attention before bedtime can help make overnight charging considerably safer.