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.
Most adults need 7 or 8 hours of sleep each night to feel fully alert during the day. This is usually also true for people age 65 or older.But as we get older, we might have more trouble sleeping. Many things can get in the way of sleeping well or sleeping long enough to be fully rested.ost adults need 7 or 8 hours of sleep each night to feel fully alert during the day. This is usually also true for people age 65 or older.