How do you reinvigorate morale after a lay-off?

_I’m posting this question on behalf of a few interested parties_:

Layoffs are a reality of the startup trade. Executing a layoff is tough, but maintaining the morale of your team in the aftermath is even harder, and arguably more important.

Could the Found|READ community chip in with some tips for how to manage the painful process constructively? How do you prepare for a layoff? How do you manage your remaining team in the days and weeks afterward to reinvigorate their commitment to your company’s mission?

Tips from people with hands on experience in the before and after would be ideal.