SOLVED. YA Fantasy: A world where people can fall asleep and gain physical skills/superpowers. They're special humans meant to save a tree and they use orbs as weapons. Read around 2013. [s]

[Isabella]

Was read around 2013, no idea when it was published. The main character is male. The guy climbs a tree a bunch and that's how he realizes his powers.

[Juels]

Dormia by Jake Halpern?

[Isabella]

That's the one! Thank you!

[Juels]

You're welcome.