Tik Tok's private message reminding the other party to go to bed early will not make a sound. Tik Tok's private information is a kind of written or colorful form, which is used for private communication with other users. When you send a private message to the other party, the other party will receive a notice in the Tik Tok application in the form of vibration, icon prompt or pop-up notice, and there will be no sound.