That's good to know. I honestly always fall asleep inside them[1] in spite of the fact that the noise is very loud even with the cans on. I'm not sure why I f

That's good to know. I honestly always fall asleep inside them[1] in spite of the fact that the noise is very loud even with the cans on. I'm not sure why I find the experience so relaxing. [1] Has happened about 5 out of about 6 MRI scans so not "always" but very often.