About the size a little cauliflower, the mind can be a mass of jelly-like fats and tissues weighing approximately 1.4 kilograms. It contains about 100 billion neurons that coordinate our both mental and physical processes, and its split into four areas - the cerebrum (the largest part of the mind; it sits at the top of the organ), the cerebellum (sits within the back in the cerebrum and is the second largest area of your brain), the diencephalon (located within the middle from the cerebrum on top of mental performance stem) and the brain stem (posterior part of the brain, responsible for many life support processes for example regulating heartrate). Lack of sleep builds stress and lowers testosterone in your body. Princely situated on the Israeli Mediterranean coastline, the city of Tel Aviv is one of the most beautiful and second most populous cities in Israel. The city of Tel Aviv continues to be one of the most favorite and exquisite tourist?s places in the world. The tourists from different corners of the world go here to experience thriving nightlife, famous 24-hour culture and young atmosphere of the city. People often call it "the city that never sleeps" and "party capital".