The utility model discloses a leg of wearing formula technique sleep monitor system moves unit, move the device including organism and leg, be equipped with in the organism singlechip and with singlechip electric connection's bluetooth receiving module, the leg move the device including the position sensor and with position sensor electric connection's bluetooth send module, the position sensor isincluding shell and conducting sphere, the shell is equipped with the cavity that is used for preventing the conducting sphere, the inner wall of shell is equipped with the pit, be equipped with twometal touch pieces in the pit, the metal touch piece sends electric connection with bluetooth module, bluetooth module locates in the shell, the utility model discloses a set up the wireless transmission that bluetooth send module and bluetooth receiving module realized data, replaced traditional wire transmission, can prevent the wire overlength and twine on one's body the user, bring inconvenience to the user.