[Icon for 100 Smile Challenge] [Icon for 100 Smile Challenge]

100 Smile Challenge

How do you feel after 100 smiles?

100 Smile Challenge


60 minutes


  1. Take note of how you’re feeling now.
  2. Challenge yourself to smile 100 times in the next hour.
  3. Take note of how you feel after smiling 100 times. Do you feel different now?

Try Smiling At

  • yourself
  • a stranger
  • a dog
  • a plant
  • the sky


Searching for physiology smile ekman or science of smiling on your favorite search engine.

Icons by Gregory Sujkowski and Rob Schill from the Noun Project