That's not quite the range of the Phantom 3 Professional, which managed 2,500 feet without issue, but it's better than the 1,000 feet I got with the Phantom 3 Standard in open space and the 400 feet it managed in suburbia.
Medical specialists with a public voice like Dr. Oz should absolutely be encouraging people who are sleepy to sleep more. However, arbitrarily applying eight hours to everyone is actually harming people who simply need less sleep, or those who actually need more than eight hours.
You need about 10 to 11 hours of sleep a night. Getting enough sleep every night helps your body grow and have energy. RESULTS: Whoa! It looks like you learned a lot about animals and how they sleep. Take this quiz again and see if you can score higher.