In exchange for his guilty plea to misdemeanor assault, other more serious charges have been dropped: felony menacing and criminal mischief.
Sheen has been sentenced to 30 days in a rehab center, 30 days of probation and 36 hours of anger management.
He has 30 days to report to the Promises Treatment Center in Malibu.
Although Sheen's sentence includes rehab, his lawyer has said that since the Christmas-Day argument, both Sheen and his wife, Brooke Mueller have completed alcohol rehab programs.
And the lawyer has said they've been sober for months.