Mark's Mother Is Worried Because He Only Sleeps About 4

question 135

Multiple Choice

Mark's mother is worried because he only sleeps about 4 to 5 hours per night.What would you tell her?

• A) She has reason to be concerned because, in the long run, Mark's lack of sleep will take its toll physically.
• B) There is nothing to worry about because young people need less sleep than older people.
• C) There is no problem as long as Mark spends most of his sleep time in REM sleep.
• D) There is probably nothing to be worried about since different people need differing amounts of sleep.