Which positions do people often stay up late?

Internet industry: such as programmers, network celebrities, network marketers, e-commerce entrepreneurs, Internet product managers, etc.

Financial industry: such as investment banks, private equity funds, securities analysts, financial analysts, etc.

Entertainment circle: such as movie stars, musicians, screenwriters, directors, photographers, makeup artists, etc.

Entrepreneurial industries: such as entrepreneurs, venture capitalists, angel investors, entrepreneurial mentors, etc.

Medical profession: such as doctors, pharmacists, medical researchers, etc.