We've all been there: that moment when you stretch and yawn in the morning to find a little bit of crust in your corners. This is totally normal, but what exactly causes it? It's all down to those tiny {tears{, or more https://rebeccaoaoa376291.wikiparticularization.com/2269702/that_gooey_stuff_in_your_eyes_eye_crust_what_s_going_on