Overnight Sleep Study Testing: What to Expect#sleep Do you need a sleep study? Has a primary care provider ever suggested it? Have you been putting it off because you’re not sure what to expect? Over the next few days lets explore the advantages to getting a sleep study, what to expect at a sleep study and what can you do with the results. Sleep is pivotal to overall good health and wellness so data into why you’re struggling to get a good night’s sleep is helpful and potentially life changing for those who are chronically tired. A sleep study can give you and your PCP a more complete picture of the quality of your rest and what may be going on in your body to affect it. Some of the data monitored are ; brainwave activity and sleep stages, heart rhythm, muscle tone, leg movements, breathing patterns and blood oxygen levels.