(Image credit: Shutterstock) Figure-4 stretch is a brilliant pigeon pose alternative you can use if you struggle with the latter for whatever reason (mobility or tightness, for example). Still, I've been swapping figure-4 out for another pigeon stretch lately — sleeping pigeon. I adore sleeping pigeon, but it's not for everyone. It's a yoga posture that relieves pressure and tightness in your lower back, hips, glutes, and, for some people, your groin, but it can feel strong. If you'd like to learn how to do the sleeping pigeon, check out more below, where I go through it step by step and discuss the benefits. Article continues below What is the 'sleeping pigeon' stretch? Sleeping pigeon pose is a deep hip opener used in yoga to target the hips, glutes and deep piriformis muscle sat within the gluteus muscles. For some, you might find a stretch in your groin and lower back, too.…