You told me lots of signs, the feeling dizzy when I stand up is also a sign because our body is using a lot of energy to get us ready for period.

You're super tuned in to your body, that's awesome! Feeling dizzy when you stand up can totally be a thing before your period, and you're right, it's often about your body working overtime.

When your period is getting ready, your hormone levels are shifting, and sometimes that can mess with your blood pressure a little bit. Also, some people notice they get a bit anemic around their period, which means lower iron, and that can make you feel lightheaded, too. Your body is doing a lot of work getting ready for your period, so it makes sense you might feel a little tired or wobbly. Staying hydrated (drinking enough water!) can really help with this kind of dizziness.

If the dizziness is super bad, like you feel like you might actually pass out, or it's happening all the time, you should definitely tell a grown-up just to make sure everything's okay.