Many people sleep with their bedroom door open because it feels more comfortable. It can improve airflow, allow pets to move around, and help parents hear children at night.

However, fire safety experts recommend considering another simple habit: closing the bedroom door before going to sleep.

During a house fire, a closed door can help slow the spread of heat, smoke, and flames. It creates a barrier that may provide extra time for alarms to alert occupants and for emergency help to arrive.

While a closed door is not a replacement for smoke detectors or an escape plan, it can be an important part of overall fire safety.

Modern homes often contain synthetic materials, furniture, and decorations that can burn quickly. Open layouts can also allow smoke and heat to travel through the home faster.

An open bedroom door creates a direct path for smoke and hot gases to enter a sleeping area. Closing it may help delay dangerous conditions and keep the room safer for longer.

Fire demonstrations have shown that rooms with closed doors can experience less exposure to heat and smoke compared with rooms left open.

A small nighttime habit can make a meaningful difference. Closing your bedroom door, maintaining working smoke alarms, and having a clear escape plan are simple steps that improve home safety.