Our Body Bolster Cushion has the wonderful benefit of being useful both day and night. During the day it can be used on any flat table such as the ground, a table top or even on top of a massage bed. At night, it can be used on top of your mattress to offer full support in supine position (lying on your front). The face rest support ensures you can comfortably sleep lying down. The headrest support also ensures you receive a nice airflow while sleeping.