A complete 4K camera and 3-axis gimbal system come integrated with the Phantom 3 Professional edition quadcopter from DJI.
Standing vs. Lying Down. It's a common misconception that cows don't lie down to rest and that they sleep standing up, just like horses do much of the time. In fact, cows actually lie down for up to 14 hours per day, standing up every few hours, stretching and then lying back down again.
The average adult needs about seven to nine hours of sleep each night, according to the National Sleep Foundation, but most of us don't even get that much. But getting too little sleep -- generally understood to mean six hours or less a night -- can be serious -- enough to change your genes.