Sleep studies are painless. There's a small risk of skin irritation from the sensors. The irritation will go away once the sensors are removed.
Although the risks of sleep studies are minimal, these studies take time (at least several hours). If you're having a daytime sleep study, bring a book or something to do during the test.
Sleep Disorders & Insufficient Sleep: Improving Health through Research
National Institutes of Health- (NIH) supported research is shedding light on how sleep and lack of sleep affect the human body. The NIH and its partners will continue to work together to advance sleep research. Read the full fact sheet...
The NHLBI updates Health Topics articles on a biennial cycle based on a thorough review of research findings and new literature. The articles also are updated as needed if important new research is published. The date on each Health Topics article reflects when the content was originally posted or last revised.