This is what happens when you place an ice cube at this point of your head.This point in the Chinese Acupuncture called "Feng Fu"

It helps:
Improves sleep;
Exellent mood and general vitality
Exellent work of digestive tract
Say goodbye to colds
Heals headaches,tooth aches,
pains in the joints
-Particularly,the effect of ice cubes
to the point of Feng fu helps the ff.ailments:
Respiratory ailments
mental health
Acute,gastro intestinal and sexually transmitted
infections
Disorders of thyroid glands
Arthritis,hypertension
Bronchial asthma
Disturbances in the gastro intestinal tract,
obesity and malnutrition.
Cellulite;
Disorders of menstrual cycle and endocrine
infertility
psycho-emotional disorders,stress,
chronic fatique,depression insomia
**How to do it
First u lie on your stomach and place an ice cube
at the point of fengfu,and hold it for 20 mins.
You can either lie there or try with a bandage,
scarf or plastic wrap.Do this regularly
in the morning on an empty stomach
and night before going to bed.