The cat hid from the owner's vacuum cleaner
Most cats are afraid of vacuum cleaners and run away in panic as soon as you turn on the device. The animals hide and wait for the owners to finish cleaning. This pet was no exception. Fluffy decided that he would be safest behind the mattress.
More than anything, cats are afraid of two things: water and vacuum cleaners. But, if the water does not bring any harm to the cat - only one benefit, then vacuum cleaners, some of the models of which have a fairly high suction power, can theoretically suck the cat in.
And judging by the fact that the cat from this video hid behind the mattress in an unnatural position for him and looks out at this shaitan machine with very large round eyes, he guesses about it.