Random, spontaneous changes in the universe's fabric. Because, you know, that's a thing.
Caused by: Uncertain Energies, Many Worlds, and Observer Effect
Side effects: Entangled Particles, Superposition, and Decoherent States
Warning: Quantum Fluctuations may cause:
1. Stay calm, it's just a fluctuation.
2. Wear socks with reinforced soles.
3. Practice Quantum Meditation.
Quantum Solutions are available.