There is an electronic screen at the door, on which you can select intelligent mode.

Li Shutong said: "one, switch sleep mode."

As soon as the voice fell, the room became dark. Only a few faint yellow light bands on the ground lit up, and the light was very soft.

Li Shutong said: "one, switch white noise sleep mode."

The next moment, the whole floor glass changed. Qingchen saw raindrops slapping on the glass, and there was a low but clear sound of rain in the room.

With the constant temperature in the room, Qingchen feels like he is sleeping in a cool summer quilt on a rainy autumn day.

"Another white noise mode," Li Shutong said.

The floor glass is no longer transparent. Instead, it looks like a huge holographic screen, and the picture has changed from a rainy day to a fireplace.

Firewood was burning in the retro fireplace, and there was a light crackle in the room.

Li Shutong looks at Qingchen with a smile: "Qingshi uses neuron connection technology to improve the waking time of human beings, but ironically, people in this era need sleep more and more. Want to sleep, has become a luxury for many people

"Master, these are not cheap, are they?" Qingchen asked: "when I came here, I saw through your essence

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