The Breath of Life

You sacrifice some of your own life essence and breathe 1 hit point of life into a creature.  As a result, you take 1 hit point of damage and your max HP reduces by 1 until you complete a long rest.  The creature must be either stable or conscious to receive this gift of life.

At 5th level the range for this spell increases to 10 ft.

At 11th level you can target two stable or conscious creatures within range and give them each 1 hit point with the same bonus action. You take 2 damage as a result. 

At 17th level you can use this spell as an action to both stabilize one creature within range and give it 1 hit point. You take 2 damage as a result.