Amazon founder Jeff Bezos has opened up about the simple business hacks that helped him build a trillion dollar company.

According to Axios, the entrepreneur, 54, was interviewed for over an hour in Washington last night, where he dished out advice to entrepreneurs and called Donald Trump’s ethics into question.

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Bear Grylls//Digital Spy

During the chat, he revealed that all of his decisions in business and in life, “have been made with heart, intuition, guts, not analysis.”

"If you can make a decision with analysis, you should do so. But it turns out in life that your most important decisions are always made with instinct and intuition", he told the crowd gathered at the Washington Hilton.

He also emphasised how important a consistent 8 hour sleep cycle has been on his working life. "I go to bed early and I get up early […] I prioritise it. I think better. I have more energy. My mood is better."

"Is [less hours of sleep] really worth it if the quality of those decisions might be lower because you're tired or grouchy?"

He also said that he arranges his day around how he expects to feel. "I do my high-IQ meetings before lunch. Like anything that's going to be really mentally challenging, that's a 10 o'clock meeting.

“By 5 p.m., I'm like, 'I can't think about that today. Let's try this again tomorrow at 10 a.m.'"

The Amazon founder also questioned Donald Trump’s treatment of the press. Bezos, who owns the Washington Post, said that the President’s hostile reaction to press scrutiny is “dangerous.”

"What the president should say is, 'This is right. This is good. I'm glad I'm being scrutinised.' And that would be so secure and confident."

"But it's really dangerous to demonise the media. It's dangerous to say that they're the enemy of the people."