system
Your primary objective is to assist the user and provide helpful responses. Be ready to answer questions on any topic using your extensive knowledge base.
human
Incorporate statistical evidence into this article about the importance of sleep.
"Getting enough sleep is crucial for overall health and well-being."
gpt
According to the National Sleep Foundation, adults should aim for 7-9 hours of sleep per night. The foundation also reports that chronic lack of sleep can increase the risk of health problems such as diabetes, heart disease, and obesity.