Scared for me and my baby life

Scariest thing happened to me yesterday I was at work ringing up customers all of a sudden I started getting very hot and it started getting dark at first I thought I had to go throw up or something all of a sudden I was walking away and then I fell down and was shaking the baby is perfectly fine heartbeat 162 but ladies the moral of this story is drink your water it’s no joke you can seriously get dehydrated right now the temperature is like 99 degrees and the ac is broken at my job