No, there is no reason why you can't be under a hair dryer. It's perfectly safe. Looks like your baby is a really active one and he was just waking up because you weren't rocking him to sleep by your movement.

Hot showers increase your body temperature and can cause problems with the baby's brain development. It is easier to have your body temperature up to an uncomfortable level when it is wet than when it is dry heat...imagine what it would be like taking a walk in 120 degrees like the temperature people take their showers in. You just couldn't do that.

If you yourself were feeling too warm or uncomfortable under the dryer, then that would mean your are too hot. Just trust your own reflexes.

The main thing I'd be worried about more than the heat here is the chemical treatment that you might have had. It's recommended to stay out of salons for treatments during pregnancy. There isn't enough evidence that it does actually harm the baby, but most stylist won't accept pregnant moms for hair treatments until after the baby is born.

Thanks sweet for the reply. It is highly beneficial.

I am 23 weeks along and I was in the bath the other day and we have a bubble machine that makes the water bubble kind of like a sauna. I turned it on and the baby jumped, kicked and threw a fit. I turned it off and the baby stopped moving. I turned it back on and the started moving again. I think the noise and motion of the bubles was just a new expirience for her and she got startled. The baby's since of motion and hearing are developing more now, so she is just getting used to all this stuff. Still, I opted out of the bubbles. They were nice, but I don't want to startle the baby if I can avoid it.