Read the sentences. robert, a restless sleeper, noticed that he slept soundly through the night on days that he worked out. based on this observation, he determined that there must be a connection between exercise and quality of sleep. to test his hypothesis, he decided to document his exercise and sleep patterns for 60 days. what is the meaning of the word hypothesis as it is used in the sentence?

The word hypothesis as it is used in the sentence means "a possible explanation ".

A hypothesis is a thought which is recommended as a possible clarification for a specific circumstance or condition, however which has not yet been turned out to be right.

For example;

Work will now start to test the hypothesis in rats.

Diverse hypothesis have been advanced to clarify why these sustenances will probably cause issues.