What Are The After Effects Of Sleeping At Daytime Instead Of Nighttime?

yes, i am just making sure that i am making a good decision if i am to take this job that is going to rob me of my sleep from 12midnight to 7 a.m... does it make a difference if i work at that time and have all the sleep between 8 a.am and 10p.m.? sorry, but i don t have an email... thank you.....may iknow the after effects of sleeping at daytime instead of nightime? thanks again..