This will happen when you store food or drink in the open view see photo below a lizard was eating drinks placed on the table without being closed
It is very horrible because drinks that have been drunk by animals such as lizards are feared will cause illness and lizard is a very disgusting animal therefore close your food or drink when you have left it although only briefly because this animal can hide on the sidelines of the wall made from wood or it could be hiding under your dining table
Always be careful because prevention is better than cure