Lie flat on your back on a firm or medium-firm mattress
Place a thin pillow under your head and neck
Keep your head aligned with your spine
Place a pillow under your knees
Keep your arms at your sides or resting on your stomach
Relax your shoulders and jaw
Avoid stacking too many pillows under your head
Use a small rolled towel under your lower back if needed
Keep your body centered on the bed
Stay in the position until you fall asleep
Practice the position consistently each night