The longest time without sleep is 11 days. The longest time recorded of a person without sleep is approximately 264 hours. Within 3 to 4 days without sleep, you may start having hallucinations. Sleep is a biological function for a reason – it is not advisable to pull all-nighters all the time.
100 Mind-Blowing Biological Facts
Spiders move their legs using biological hydraulics. Their blood powers the hydraulic systems in their legs; they’re able to increase and decrease the pressure in individual legs to move them. They can increase the pressure in their legs up to eight times their resting blood pressure, allowing them to jump at least 50 times their height! The only muscles that spiders have in their legs are in their three hip joints.
Frogs eat with their eyes! If you get close and personal with a frog and watch it eat, you may come away wondering why it closes its eyes every time it swallows. It’s not just that they savour every bite, but it’s biological. Frogs will close their eyes and then retract them down towards their throat, which helps push food down towards their stomach!
iTunes has unusual Terms & Conditions. When agreeing to the Terms & Conditions for iTunes, you are agreeing not to use it to make nuclear weapons. The clause states, “You also agree that you will not use these products for….the development, design, manufacture, or production of nuclear, missile, or chemical or biological weapons.”