Ay, karamihan sa amin nag-complain nito lalo na pag gabi talaga! Usually it's from slouching all day or yung position natin habang nagpapahinga, lalo na pag naka-upo tayo ng matagal or nag-phone. A few of us tried proper pillows and stretching before bed, and it helped big time, pero kung persistent talaga and affecting your sleep or daily life na, better check with your doctor para ma-rule out kung may underlying issue, bes.