Is it normal to never have a quiet brain?
Yes, it’s common for your mind to keep chattering or jumping from thought to thought. It’s only worth looking into if the mental noise is upsetting or getting in the way of sleep or daily life.
A lot of people have a running inner monologue, replay conversations, plan ahead, or bounce between thoughts. Other people’s minds are quieter, so there isn’t one “normal” setting—and being unable to switch your thoughts off doesn’t automatically mean anything is wrong.
You also don’t have to achieve a totally blank mind to relax or meditate; noticing your thoughts and gently returning your attention is the whole deal. If the nonstop thinking feels distressing or regularly interferes with sleep, focus, or daily life, it may help to talk it through with a professional.