It is normal that at first it was a bit hard ... especially with the cover. Many will say that it is too to sleep on ... But remember ladies: if you use it to sleep, it does not ABSOLUTELY square is under the belly !! It is placed under the upper leg and stomach rests on the mattress. So it is perfect. For back pain or lower back he greatly relieved by placing it under the knees. In short, revolutionizes naps and nights. Thank you !!