Calling all ladies help me out plz….

I wanna know before I kick my husband out…..tell me, is there any other reason (besides the obvious) that he would leave at 3 am & come back at like 5 am…..I was at work. I seen on my cameras that he got changed before he left & when I came home @ 10 am I seen some dirty draws & sweaty tank downstairs on the floor….is there really any other reasonable explanation for this behavior other than cheating…..plz explain your answers. Ty.