What is the main point the writer makes about sleep?

It is an active, organised process that supports health and learning.

According to the text, what happens during slow-wave sleep?

The body repairs tissue and the day's experiences are filed away.

holds new information only briefly before it is moved elsewhere

Vivid dreaming and rapid eye movement occur.

cannot think clearly after too little sleep

as a promising finding that is still uncertain and partly based on animal studies

The Hidden Work of the Sleeping Brain

widen, up, about, out, than, sleepless, foggy, depth, irritable, whose, beyond, with

What is the main point the writer makes about sleep? — It is an active, organised process that supports health and learning.
According to the text, what happens during slow-wave sleep? — The body repairs tissue and the day's experiences are filed away.
The text compares the hippocampus to a "temporary notebook" because it — holds new information only briefly before it is moved elsewhere
What does the text present as typical of REM sleep? — Vivid dreaming and rapid eye movement occur.
In the fourth paragraph, the word "foggy" describes a person who — cannot think clearly after too little sleep
How does the writer treat the idea that sleep helps clear waste from the brain? — as a promising finding that is still uncertain and partly based on animal studies
Which of these would be the best alternative title for the whole text? — The Hidden Work of the Sleeping Brain
Read the passage and choose the best alternative for each gap. —
These two paragraphs continue from the study text and are quoted verbatim except for the blanks. Fill each gap using the grey hint shown in the gap. — widen, up, about, out, than, sleepless, foggy, depth, irritable, whose, beyond, with