You may find that the flashing lights to be a little too intense in Animal Well. To see how you can reduce its effects, you can take a look at this guide at Seeking Tech.
1. For the first step, open the Paused menu.
2. From there, select Options.
3. In Options, make sure that the Reduce Flashing setting is enabled.
4. Exit the menu and then return to playing Animal Well. The flashing lights should now appear dimmer if you have Reduce Flashing turned on.