Evening at 11pm - 1am: is the detoxification process in the liver, and ideally should be done in a deep sleep state.
Early morning 1 - 3am: detoxification process in the gall, also ideally done in a deep sleep state.

Morning 5 - 7am: detoxification in the colon, you should empty your bowel.
Morning 7 - 9am: absorption of nutrients in the small intestine, you should be having breakfast at this time. Breakfast should be earlier, before 6:30am, for those who are sick. Breakfast before 7:30am is very beneficial to those wanting to stay fit. Those who always skip breakfast, they should change their habits, and it is still better to eat breakfast late until 9 - 10am rather than no meal at all.
Sleeping so late and waking up too late will disrupt the process of removing unnecessary chemicals. Aside from that, midnight to 4:00 am is the time when the bone marrow produces blood. Therefore, have a good sleep and don't sleep late.