Healing basics are covered under Damage and Healing, but other factors can enhance a creatures natural healing processes. All these factors reflect the levels of Learning and Knowledge they have access to. What a specific community may have in terms of resources for this is often reflected in its Standard of Living.
Rest affects the rate at which damage is healed. Few creatures can fully regain their health without resting.
Activities Allowed During Rest:
1 Sleep Cycle:
7 Sleep Cycles: A week of doing nothing but rest at all times.
Aside from simple healing of damage, recovery from various wounds and conditions is variable.