Stand or sit straight. 1st kind: Turn head right, back, left, back. 10 times. 2nd kind: Turn head up and bend backward, come back. 10 times. 3rd kind: Tilt head to right shoulder, back, left shoulder, back. 10 times. 4th kind: Rotate neck clockwise 5 times, anticlockwise 5 times.
Benefits: These exercises strengthen the neck muscles and relieve neck pain since neck troubles may sometimes give rise to disturbed sleep.