Pulsating belly

Carrie • 21 years old 🔮 mother to Leonidas 8.3.16 🦁 In love with my best friend since July 8th 2014 .💕
Anyone else notice their belly pulsating when they lay down? I'm pretty sure it has something to do with my anterior placenta. Started noticing at around 20 weeks and now at 26 weeks I can feel it with my hand!