When you drink this potion, you have Darkvision out to 120 feet for the next 24 hours. During that time, you don't need to sleep, and if you take a Long Rest, you can remain conscious throughout.

This clay bottle with a waxed stopper is painted with the head of a great horned owl, and the liquid within is midnight blue

Heightened Potency

The duration increases to 72 hours.