Both you and your partner should lie down on your backs in bed. Ask your partner to slide toward you and lay their head on your chest. With the arm underneath your partner, embrace them so that your partner’s body is positioned above your armpit area.
Sleep further down on the mattress and stretch your arm out above you underneath a pillow. Your feet shouldn’t hang off the bed but the extra space above your head will serve as a “landing pad” for your arm. This method requires some advance planning and the co-operation of your partner. [3] X Research source Try modifying your mattress if you want to be really sure of creating adequate space. [4] X Research source