How long do i have to wait to go to sleep if i bump my head?

That depends: It was an older practice to keep people awake if they had a concussion to observe their status. If you have a head bump with no sxs of concussion, you likely don't need to fret. People with a concussion can sleep but in some cases, they should go to an er asap instead of sleeping. You can have a concussion with or without loss of consciousness. Possible symptoms include: headache/ pressure of.