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
The answer should be A, as anorexia nervosa is when someone worries far too much about their weight and begin to eat far less, becoming severely underweight.
That can be taken many different ways maybe: they push themselves to hard and don’t know when to take a break or they cant settle down, sleep or, don’t know when to stop.