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.
Self-knowledge, particularly non-judgemental self knowledge, is an incredibly important skill to help you define yourself. You'll need to understand what makes you tick and what your thought processes are before you can define who you are as a person. 1  Mindfulness means paying attention to what you are thinking and observing your patterns of thought.