If he hit his head hard enough that you're this worried, you might want to reconsider the decision not to take him to the hospital. However, if he's acting normally, isn't nauseous or throwing up, and doesn't have a bad headache, he's probably ok to sleep.Brain swelling/increased pressure/really bad stuff can happen for up to 24 hours after hitting your head, but it would be unreasonable to expect a 4-year old to stay up all night.rain swelling/increased pressure/really bad stuff can happen for up to 24 hours after hitting your head, but it would be unreasonable to expect a 4-year old to stay up all night.
Batman (comic book) Batman is an ongoing American comic book series featuring the DC Comics hero of the same name. The character first appeared in Detective Comics #27 (cover dated May 1939). Batman proved to be so popular that a self-titled ongoing comic book series began publication with a cover date of Spring 1940.
Batman makes his debut. The caped crusader first appeared on May 1st, 1939. The Caped Crusader made his entrance on the US comic book scene in the monthly Detective Comics. His creator was Bob Kane, an artist and writer aiming to find a new hero to rival Superman, who had appeared the previous year. Kane did sketches of a character with wings like those of a bat and showed them to a comic book writer called Bill Finger.