In other words, shower thoughts come because you're more likely to “think outside the box” or consider more creative avenues. All these factors — the total comfort, the relaxing of your mind, and a little haze — prime you to think creatively, so no surprise some of us have our best thoughts in the shower.

Why do we daydream in the shower?

It's that in the shower we're simply staring into space, washing our hair on autopilot. We aren't checking our messages or feeds, or writing a report. We're just daydreaming. ... When we daydream, or relax our focus, our brain begins drawing connections between all the things that it previously didn't see.

Why do I have so many ideas in the shower?

Why do we have great ideas in the shower then? ... Typical triggers for events, that make us feel great and relaxed and therefore give us an increased dopamine flow are taking a warm shower, exercising, driving home, etc. The chances of having great ideas then are a lot higher. Still, that's not all there is to it.