by Jack Bruce and Janet Godfrey. I'm a sleepy time baby a sleepy time boy.. Work only maybe life is a joy.. We'll have a sleepy time time.. We'll have a sleepy time time.. We'll have a sleepy time time.. We'll have a sleepy time time.. Sleepy time time sleepy time all the time.. Asleep in the daytime asleep at night.. Life is all playtime; working ain't right.. Chorus. I have my Sunday that ain't no lie.. But on Monday morning comes my favorite cry.. Chorus.