Hello doctor, one of my friend is advised to take

Patient: Hello doctor, one of my friend is advised to take sleeping tablets from his family doctor for his stress at home & office. The course is for 2 – 3 days a week & 15 tablets were given. Yesterday night as he was upset for something and wanted to sleep early he took 2 tablets at a time. Now it’s morning 10:15 am still he is sleeping.. And telling feeling very week , dizziness , unable to wake up n all… So pls can you advice what has to be done now. We all are scared the way he is doing.

Doctor: