After 72 hours without sleep, most people experience an overwhelming urge to sleep. Many are unable to stay awake on their own. Going three days without sleep profoundly limits the ability to think, especially executive functions such as multitasking, remembering details, and paying attention.
why?
because it has set its self in survival mode.
7 days? idk but heres the effects
If you continue to operate without enough sleep, you may see more long-term and serious health problems. Some of the most serious potential problems associated with chronic sleep deprivation are high blood pressure, diabetes, heart attack, heart failure or stroke
3,500 calories = 1 pound, so 3,500 would be the answer.
Well you could either be eating unhealthy foods compared to foods with proteins such as salmon fruits and vegetables. Electronics effect physical fitness because they distract you from real life activities
