Question

cosimo normally sleeps 7 hours a night. lately, worry about his finances has caused him to lose sleep. for the last ten days, he has been averaging just 5 hours of sleep a night. what is his current sleep debt?
a) 10 hours
b) 15 hours
c) 5 hours
d) 20 hours

Explanation:

Step1: Calculate sleep loss per night

Sleep loss per night = Normal sleep - Current sleep.
Sleep loss per night = \(7 - 5=2\) hours.

Step2: Calculate total sleep debt

Total sleep debt = Sleep loss per night × Number of days.
Total sleep debt = \(2\times10 = 20\) hours.

Answer:

D. 20 hours