Before I go to bed, I will think of many bad things that will affect my mood. A bad mood will greatly affect my sleep. I wake up very early in the morning, and I haven’t slept for 7 hours for a long time. I decide control me mood make me happy everyday to improve my sleep.

Who is sharing this comic? Author?: back stroy
Image Alt Text - Say what can be seen: In image, I saw a man who couldn\'t sleep in bed at 2am and he think a lot bad things.At 7 in the morning he wake up.

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