These are unbelievable! Not only are they good for sleeping, they are also good for headaches. I found this out the other day. That day I was dealing with a horrible headache that just wouldn't go away so I thought I give these a try and see if they helped. So I put one of these masks on a paper plate, put it in the microwave for about 35 seconds and then took it out of the microwave. I do have to say that I didn't put this mask on my face right away because as soon as I took it out of the microwave it was very hot so I decided to let it cool for a bit before wearing it over my eye. Let me say that this mask helped my headaches that day.
I recommend these masks to anyone who deals with headaches like I do. Even if you don't have headaches these are also great just to sleep with.
*I received this product at a discount in exchange for my honest, fair and unbiased review. I was given ample time to test and evaluate this product thoroughly before composing this review. All statements and opinions in my reviews are of my own and are in no way influenced by the seller or the fact that I have received a product at a discount.*