Arm numbness prevention: An innovative armrest design supports the proper sleeping angle for side sleepers, reducing tingling in the arms and promoting deep relaxation. Spinal alignment with memory foam: The memory foam conforms to the head and neck, providing balanced softness and stable support to help maintain proper spinal alignment during sleep. Versatile comfort and positioning: Designed for side sleeping, the pillow also adapts to cozy hugging and can be used for reading, unwinding, or adopting multiple comfortable positions as a neck support. Breathable fabric for freshness: The ultrabreathable fabric cover enhances nighttime comfort for side sleepers and helps keep the pillow cool and feeling fresh during use. Reliable materials and performance: Memory foam core delivers consistent support and contouring, while the breathable cover enhances comfort and durability for regular use. Use scenario 1: Sleep at night in a sidelying position to minimize arm numbness and neck strain, with armrest support helping maintain a comfortable angle. Use scenario 2: Relax in bed or on the couch for reading or watching content, using the pillow for secure hugging and restful neck support. Use scenario 3: Adjust to various positions for focused neck and shoulder comfort during extended lounging or light activities, maintaining alignment and softness.