It is done under local anesthesia ,hence the initial few injections would be felt after that pain is not a concern both for extraction and implantation
The donor area is visibly intact ,and the extracted roots don’t grow back.but since the number of roots extracted are one fifth or one out of five the density looks similar to what it was before the procedure.
The transplanted hairs normally shed in a month's time and then start growing after three months of the procedure .appreciable results are seen in a 9-12 month.
Normally you can resume work from second day but you need to spray saline frequently on the recipient area. if not possible in office take off for 3-4 days and do the spraying, there is no need for bedrest.