Question

dreams can range from the mundane to the horrifying, but lucid dreaming, during which dreamers are aware they are dreaming, is a mysterious category all to itself. though lucid dreams dont occur frequently, experts estimate that fifty percent of the population have experienced the phenomenon at least once. fascinatingly, some lucid dreamers can control their dreams at will; they may change the details or plot, or they may switch to a different dream entirely. this leads to an obvious question: can this skill be learned? and can we use lucid dreaming to improve waking lives? some experts say yes. but with research on lucid dreaming still so scarce, the answers to these questions remain a mystery.
select all the details that are included in the text.

detail	text 1
some professionals believe that people could benefit from learning to lucid dream.
some professionals believe that there are potential drawbacks to developing lucid - dreaming skills.

Explanation:

To solve this problem, we analyze each detail against the text:

For "There is not much published research about lucid dreaming":

The text says "research on lucid dreaming still so scarce", so this detail matches.

For "Some professionals believe that people could benefit from learning to lucid dream":

The text states "can we use lucid dreaming to improve waking lives? Some experts say yes", meaning experts (professionals) think learning lucid dreaming can be beneficial. This detail matches.

For "Some professionals believe that there are potential drawbacks to developing lucid - dreaming skills":

The text has no mention of drawbacks to lucid - dreaming skills, so this detail does not match.

Answer:

• There is not much published research about lucid dreaming: Checked (matches the text).
• Some professionals believe that people could benefit from learning to lucid dream: Checked (matches the text).
• Some professionals believe that there are potential drawbacks to developing lucid - dreaming skills: Unchecked (does not match the text).