All medications should be taken in controlled quantities that must be indicated by a trained professional, such as doctors and nurses. Taking a whole bottle of medicines, including sleeping medicine, as in the case given in the question, is very dangerous and can cause a person to be killed. If a person has taken a whole bottle of sleeping pills and is not responding, the first thing you should do is check that person's vital signs and seek medical attention.
19 year old female is unresponsive after taking a whole bottle of her sleeping medicine about 4 hours ago. You should ensure there is a heartbeat. This is because, a heartbeat means the person is still alive and are still able retreive medical attention. However, you should always call the police, asking for an ambulance, even if you think you have everything under control.
