Get up on the wrong side of bed

Someone who is having a horrible day or appears grumpy for no reason

"The wrong side of the bed is the left side, according to a superstition that goes back to the time of the Romans. People have been saying other people 'got up on the wrong side of the bed,' 'awoke surly or grouchy,' the supposedly sinister nature of the left is reflected in many English superstitions and expressions, such as the belief that it is unlucky to put your left shoe first, or to walk into a house left foot first. Hence the related idiom "get off on the wrong foot ". The Romans, especially Augustus Caesar, were very careful that they got up on the right side of the bed, but there is no evidence that they were less grouchy than anyone else."

Ex: Someone is grumpy for no reason. An observer states: You clearly got up on the wrong side of bed this morning!

Spanish: Hoy me he levantado con el pie izquierdo

German: mit dem linken Fuß aufstehen