First, Wash your hands before you wash your face. Washing your face is definitely important, wash your hands with an anti-bacterial soap before touching the facial skin. Moreover, try and keep your hair away from the face.
Second, Wash your face twice a day once at night, and once during your morning routine.
Third, don’t scrub too hard a scrub can irritate your skin more. Wash your face with your hands is the best way to go.
Finally, try sleeping on your back as much as possible to avoid making contact between your face and your pillow.