Question

One type of personal health monitor measures the amount of time you spend in REM sleep.

Answer 1

Answer;

The above statement is true

One type of personal health monitor measures the amount of time you spend in REM sleep.

Explanation;

-Fitness tracker or monitors have the ability to monitor or track the shut-eye during sleep.

-These trackers all continuously monitor the movements of the eye during sleep and also assess sleep-wake cycles to ascertain whether an individual is in deep or light sleep.

-Some of the trackers incorporates heart rate data to get a better sense of how deep one is into their sleep.

Answer 2

It is an absolutely true statement that one type of personal health monitor measures the amount of time you spend in REM sleep. The correct option among all the options that are given in the question is the first option or option "A". It is a true fact that some fitness trackers can deduce every stage of sleeping time.