Well given what surrounds them in some of the rooms we find them in, it may be a combined effect

Scientists warn that zebra skins can trigger migraines.

Dr Dora Hermes, from UMC Utrecht, said: ‘Our findings imply that in designing buildings, it may be important to avoid the types of visual patterns that can activate this circuit and cause discomfort, migraines, or seizures.

‘Even perfectly healthy people may feel modest discomfort from the images that are most likely to trigger seizures in photosensitive epilepsy.’

trigger warning: thi is not a safe space

nor is this