Concluding her presentation on contemporary theories of why sleep is necessary, Marilynn makes all of the following points except: Sleep may have evolved because it kept our ancestors safe during potentially dangerous periods. Sleep gives the brain time to heal, as it restores and repairs damaged neurons. Sleep allows the brain time to process and store information from the previous day. Deep sleep reduces the likelihood someone will have a nightmare.

Deep sleep reduces the likelihood someone will have a nightmare.

Explanation:

In simple words, all other points except the last statement are scientifically proves facts of what are some major requirements to get a proper sleep. In history, the cavemen had issues with hunting in darkness so they decided to wait until the day which ultimately led to long sleeps for them.

Also, sleep is essential for the body and brain as it heals the damaged neurons and also relaxes the muscles all over the body.

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.