Driver drowsiness detection
1st create a virual enviroment 
2nd using pip install the following modules
  i.open cv
  ii.dlib
  iii.scipy
  iv.playsound
3rd Download the face predictor data set and put it inside the working directory
https://github.com/davisking/dlib-models/blob/master/shape_predictor_68_face_landmarks.dat.bz2
4th compile the code with making sure that file aaddress are correct
Code which I have provided has sapmling rate of 6 samples you can change as per your requirment 
DEMO VIDEO:- https://drive.google.com/drive/folders/1ENsXeEzyabbrP_WLiflCvfsxlICHiQq8?usp=sharing