This is almost always a leaky flapper . The rubber seal at the bottom of the tank has degraded or warped, allowing water to slowly leak into the bowl. When the water level in the tank drops low enough, the float triggers the fill valve to "top it off."
The men’s toilet is a temple of solitude, a place for quiet contemplation and the occasional awkward glance. When a weird noise emerges from that sanctuary, it violates the social contract. theres a weird noise coming from the mens toilet
This can damage your pipes over time, leading to leaks. This is almost always a leaky flapper