Hi I Recently Had Surgery For Tennis Elbow And Was

Hi I recently had surgery for tennis elbow and was going to take an ibuprofen and I'm babysitting my one-year-old grandson this happened about 10:30 this morning I went to make him a bottle came back and he has licked and 8 milligram Ibuprofen he has been asleep the last hour is that okay for him to sleep I'm worried and I hate myself or him getting ahold of my pills