Villagers staring very rarely when i comeinto my village and A room full of villagers.

In singleplayer mode on java edition of Minecraft, the bug (i think so)worked very rarely in 1.16.4 edition that when I enter the village or a room full of villagers(all kinds.)stare at the player rarely. they leave what they're doing and stare. to stop them from staring So I trade with them but it didn't work so I have to reload the world then they stopped staring. PLEASE HELP!!!