Whether you are in the office or have made it a habit to sleep on your arm, here is a pillow that should make it all comfortable for you. The Arm Sleeper Pillow is a perfect tool that features a center groove and a recessed front edge which allows you to fully extend your arm without it having to support the weight of your head and neck. This results in a comfortable lying down position, without causing any muscle stiffness the next day.The Arm Sleeper’s Pillow can be yours for $99.99.