this review title is: these hurt to sleep in and the content is: so these were easier to put in than i though worked out quite well and i m sure the result would have been nice too however the part in between wearing them to bed was horrible i mean roller are not the most comfortable either but i never had a problem sleeping through a night with roller in this i got up in the middle of the night and had to take them off because my head was killing me if you put them on for a couple hours during the day it may be different but who has the time.there are other information for this review, one is this reviewer did purchase it and the other is 1 people think this review is helpful.