What is true about the sleep cycle? select all that apply.
a) a person can go through the sleep cycle multiple times in one night.
b) the sleep cycle does not repeat itself in order of 1, 2, 3, 4, and rem.
c) deep sleep occurs in the first two stages of sleep.
d) dreams occur during the rem stage.
e) acting out dreams is always a potential danger of rem sleep.

A person can go through the sleep cycle multiple times in one night.

Dreams occur during the REM stage.

Acting out dreams is always a potential danger of REM sleep.

Explanation:

It is essential to remember that the phases of the sleep cycle happen on different ages while one is growing. For instance, infants, the sleep circle for infants is different from that of adults and other older adults. In a nigh one can move through the various stages in different sequential fashions.  

For instant non REM sleep happens amid the night and increase as the night progresses. This is the reason why it is awakening from a dream in the morning.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.

the united states has a federal government. the president is the head of the federal government of the united states. however, each state forms its government for administration purposes. the powers of the state governments are exercised within restricted state boundaries. and citizens participate in this government by voting.