Hi from last two weeks I have pain in only outer left thigh while lying on bed and sitting (bed and chair) I have lot of pain that? S why I can? T sleep at night due to this pain I wake up at night firstly its on one side for example if I change my scalp g position then it? S normal but now if I change positions its continuously same all the night I don?t feel any back pain nd also on other leg I have brushes without any injury I don? T know why it is happening pls explain me.