http://www.wizards.com/default.asp?x=dnd/rg/20040525a
Part 3 of the Polymorph Series.
Quote from Article:
Upon changing, the subject regains lost hit points as if it had rested for a night. The subject regains 1 hit point per character level. Character level includes racial Hit Dice and all class levels. The subject does not heal any temporary ability damage or get any other benefits of resting. Changing back does not heal the subject further. If slain, the subject reverts to its original form, though it remains dead.
The subject gains the Strength, Dexterity, and Constitution scores of the new form but retains its own Intelligence, Wisdom, and Charisma scores.
The subject retains its own mind, but its body is transformed into a semblance of the assumed form. Unlike previous versions of the D&D game, the subject's hit points change according to his new Constitution score. The subject's Strength, Dexterity, and Constitution scores revert to normal when resuming its normal form, which may prompt another change in hit points.
Part 3 of the Polymorph Series.
Quote from Article:
Upon changing, the subject regains lost hit points as if it had rested for a night. The subject regains 1 hit point per character level. Character level includes racial Hit Dice and all class levels. The subject does not heal any temporary ability damage or get any other benefits of resting. Changing back does not heal the subject further. If slain, the subject reverts to its original form, though it remains dead.
The subject gains the Strength, Dexterity, and Constitution scores of the new form but retains its own Intelligence, Wisdom, and Charisma scores.
The subject retains its own mind, but its body is transformed into a semblance of the assumed form. Unlike previous versions of the D&D game, the subject's hit points change according to his new Constitution score. The subject's Strength, Dexterity, and Constitution scores revert to normal when resuming its normal form, which may prompt another change in hit points.