Unlike Night Person, which operates both indoors and out, this perk only operates outdoors. It is in effect between 6 AM and 6 PM. It synergises well with Rad Absorption for healing minor health damage and minor radiation poisoning while exploring or fast traveling.
- In Fallout 3 with this perk active, waiting for one hour will restore 13 health.
- Due to the Strength increase when the perk is in effect, if you are within 20 pounds of being over-encumbered, you will become over-encumbered upon entering any indoor area or after 6PM unless your Strength (without the bonus) is already 10. This includes bonuses from equipment, chems, other perks, etc.
- It used to regenerate only 1 hp every 10 seconds. The speed was greatly improved in a later New Vegas patch to 1 health per second.
- It works in the Sierra Madre, despite the overcast skies.