9 Will be able to bed promptly and sleep 8 hours - Physical repairs occur in the body when our bodies is asleep between 10pm and 3am. After 2am the immune and repair energies are more focused on mental repair which lasts until waking up. In a nutshell, going to bed after 12pm will not allow your own to recover physically, so ensure enough bed by 10 - 10.30pm definitely five days a 7 days.