Bedtime stories are a more wholesome, and less lethal, alternative to punching your kid to sleep.Ashton Smith’s 2-year-old son wouldn’t fall asleep. But rather than warming up a bottle of milk or reading “Goodnight Moon,” the 24-year-old father thought the best way to send his kid into dreamland was a good sock in the chest.Medics arriving at Smith’s North Seattle home found his son in cardiac arrest. They were able to revive him, but doctors say the boy suffered a brain injury which might be permanent.Smith initially told police he hit the boy because he was having trouble breathing before copping to a hard open-hand slap. Something the boy’s mother says Smith has done twice before.Smith has been charged with first-degree assault of a child and is currently in jail. But even if he’d never hit his kid, he’d still be behind bars: Smith was already facing a nine-month jail term for burglary. He was due to turn himself in two days after the incident.