関連ワード:
why does your body spasm when falling asleep why does your body jerk when falling asleep why does your body twitch when falling asleep why do our bodies twitch when falling asleep why do our bodies jerk when falling asleep why does your body randomly jerk when falling asleep why does your body jerk when you re falling asleep why does your body jerk sometimes when falling asleep why does your body suddenly jerk when falling asleep why does the body jerk when you re falling asleep
