Husband didnt cane home

So yesterday my husband left for work as usually at 6 am at 5 pm he returned home take a shower and go out.its now 8am in the morning and still not here.didn't respond my calls and didn't call me.its not the first time that went out and didn't came until morning.when we hang out together always said let's go home cis um tired from work.so my question is what should I tell him when he return home?with me he's tired?when we stay at home he sleep early.