Aih, pening berpusing tu memang tak sedap! Kalo BP dah normal, boleh jadi banyak benda, dari dehydration, kurang tidur, low blood sugar, sampai anxiety je pun boleh trigger. A few of my mum friends yang pening mcm tu, ternyata mereka kurang minum air atau stress pasal something ja. Tapi since it's been going on, lebih baik check dengan doctor tau, especially if it's persistent or ada gejala lain, just to be safe! In the meantime, try rest properly, minum air banyak2, and eat something light to see if it helps. Hope you feel better soon!