I didn’t touch my Pokémon GO Plus +, but it suddenly made a sound and vibrated. Your device may have an alarm enabled. Please open Pokémon Sleep and check your settings.Please see here for more details. Related articles My Pokémon GO Plus + doesn’t work. My Pokémon GO Plus + is broken (due to water damage, external damage, or other causes). Can you repair it? How can I disable vibration on my Pokémon GO Plus +? How can I turn off the volume of my Pokémon GO Plus + (i.e. use silent mode)? Why can’t I track my sleep?