Well, there could be a few reasons. Sometimes the story or the images in the comics are so engaging that they prevent your brain from calming down. Also, if you read comics right before bed, the light from the device can disrupt your sleep rhythm.
It could be that the content of the comics triggers a lot of thoughts and emotions, making it hard to relax and fall asleep. Or maybe you're in an uncomfortable position while reading them.
Maybe it's because the comics are too exciting and keep your mind active.
Maybe it's because the comic is too exciting and keeps your mind active.
Maybe it's because the content in the cellphone comics is too exciting or stimulating, which keeps your brain active and makes it hard to relax and fall asleep.
It might be that the comic's story is so engaging that it keeps you thinking and prevents your mind from calming down. Also, if you read right before bed, the body's internal clock might not be ready for sleep yet.
It could be because the comic is too exciting or has a cliffhanger ending that keeps your mind engaged.
It could be because not sleeping makes you stressed and irritable, and that stress might come out in the form of creating or relating to rage comics.
There could be several reasons. Sometimes the lighting is not right, making it hard to relax. Or maybe you have a lot on your mind and the comic isn't helping you unwind. Also, if the comic has a complex plot, it can keep your brain engaged and prevent sleep.
It could be that the plot or images in the comic are so engaging that they keep your brain stimulated. Also, if you read it right before bed, the light from the comic might disrupt your body's natural sleep cues.
It could be that the art style or panel layout is distracting. Or maybe the themes and concepts presented are beyond one's current understanding or frame of reference.
It's often because the scary elements get stuck in your mind and make you anxious or nervous, keeping you from relaxing enough to sleep.
It could be due to stress or an irregular sleep schedule. Maybe there is a comic that explores this issue, but I'm not sure.