What claim is the author making about the importance of stage 2 sleep?

The correct answer is - sleeping soon after a major event would lead more likely to turn the experience into long-term memories.

Explanation:

According to the author sleep has two stage about half of the total sleeping time is consumed by the stage 2 sleeping. According to the passage sleep helps in assembling and arranging the memory on their importance which to save and which to eliminate.

In this passage also suggested that sleeping soon after a major occasion or event, and there was no proper time to mentally resolved, is more likely to make this as long-term memories.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

b c a d mark me