Why does my router need to be restarted every day?

A router is basically a small computer, with its own processor and memory. If it needs to be restarted every day to keep working, that usually means something is making it unstable, freezing, or slowly bogging down.

The most common reasons are:

1. Memory or software issues
Routers can run out of RAM or develop software bugs over time. Too many connected devices, heavy traffic, or a firmware bug can sometimes cause the router to slow down or become unresponsive. A restart clears the temporary memory and resets the software state.
Fix: Check for firmware updates, and if the router is older or very basic, consider upgrading to a model with more capacity.

2. Overheating
If the router is in a closed cabinet, near a heat source, or covered by dust, it may overheat and become unstable.
Fix: Move it to an open area with good airflow and make sure vents are clear.

3. Failing power adapter or hardware
A weak power supply, aging capacitors, or other failing components can cause random disconnects or reboots.
Fix: If possible, try a compatible replacement power adapter. If the router is several years old, replacement may be the best fix.

4. ISP or modem problems
Sometimes the router restart is not fixing the real issue at all—it is just forcing a fresh connection to a flaky modem or internet line.
Fix: Check whether the modem also needs restarting, and ask your ISP to test the line if the problem keeps happening.

A daily reboot can be a temporary workaround, but it is not usually the real solution. If you want, I can help you narrow it down based on your router model and what the lights are doing when it fails.