You cannot either save up hours or make up lost hours of sleep. Each night of sleep is an independent event. You need 7 1/2 to 8 1/2 hours of sleep each night.
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thein lwin Please read 'extra 9 hours' instead of'extra hours'. Besides, I want to rewrite 'each night forthree nights' in the passage. Is it OK?I don't know what you mean. I thought you copied the text from a test. If you wish to change anything and ask about it, please post your revised text and new question below..
thein lwinIn this passage, I want to insert the phrase 'each night' before 'for three nights'.Why do you want to do that?
Mister Micawber thein lwinIn this passage, I want to insert the phrase 'each night' before 'for three nights'.Why do you want to do that?Because of 'extra 9 hours on weekend'.
AnonymousHow does one know that it's 5 hours of sleep for all three nights combined or 5 hours of sleep each night for three nights?I only slept about 5 hours total for the last 3 nights.