i am have 1pc akemi memory pillow. Medi + Aloe Vera Series and 1 normal version Memory Pillow. both work perfectly. my neck no more pain... haha sleep 6 hours can stand 16 hours compare to last time using normal pillow... Sleep 10 hours also feeling not enough.. always neck pain, hard to fall in sleep... now everything getting better.. still searching for High End pillow... budget around RM500.00 ... any idea ?