Darkness And Strength

Riddle: I'm dark by day, I glow by night. I keep you away from darkness, but I lose my strength by every minute. What am I?

Answer: A glow stick.

Source: https://www.riddles.com/4670

I'm dark by day, I glow by night. I keep you away from darkness, but I lose my strength by every minute. What am I? — Darkness and Strength by Sophiya v1.

Riddle: I'm dark by day, I glow by night. I keep you away from darkness, but I lose my strength by every minute. What am I? Answer: A glow stick. — by Sophiya v2.