6 to 8 hrs for digestion. it stays in the stomach for 2 hours and then in the intestine for another 2 hours. the undigested food goes to the large intestine and the digested food goes to whole body through blood. Carbhydrates and proteins about 1 1/2 -2 hrs. Fats 2 hrs.
And based on that a foetus does not posses self-awareness. Human babies have been found to become self aware between the ages of 18-24 months. The rouge test is a self-recognition test that identifies a human child's ability to recognize a reflection in a mirror as his or her own.
An expanded definition of self awareness is our ability to notice ourselves in the present moment. Self-awareness is often a good measure of 'presence'. Being present with our body can bring us awareness of many things.hile awareness is our ability to take note; self-awareness is our ability to take note of ourselves. When we turn our awareness to shine on ourselves, we may become conscious of a great deal of internal activity. We may notice specific thoughts or thought patterns. We may notice particular emotions or flows of energy.