Sleep is Gift of God. When you sleep you get rejuvenated. Because of various stresses and strains, over-work, particular diseases, a few amongst us do not get enough sleep. Which causes restlessness, that leads quite often to hypertension A few amongst us sleep more than what is required, like the Kumbakarna of mythological fame, which is again not conducive to good health. If you believe you do not have enough sleep, it is necessary you must be consulting a specialist in this field. A website I recently came across is replete with all the information you and I need. http://www.nithra.com Sleep but not sleep over.