Gen Z loves challenges and Instagram. But they can't turn off their social media just before going to sleep. This habit lowers their self-control and harms their mental health. Spotify presents the ‘Charging Night Challenge’ to solve this problem with audiobooks. Here's what the 'Charging Night Challenge' is: People can see a detailed description of the challenge in the app. The Challenge button appears when charging at bedtime between 10 pm and 2 am. If the button is pressed, the screen shows the Spotify audiobook player. The challenge ends when you leave the audiobook player, stop charging, or deactivate the button. After that, the screen shows the results. People can receive a challenge reward according to counted times. They can share the results on social media. Through the Charging Night Challenge, People can charge their phones and recharge themselves.