Frequently Asked Questions Keep using the SmartSleep even with a small Sleep Boost If you wonder whether you need to keep using your SmartSleep with a small Sleep Boost, please find here if we can answer your questions. The device says I am only getting a boost of x (let’s say 4). Should I continue to use it? Yes, you are getting an improvement over what you would have had without it. If you are getting no boost at all, please consult your PCP, or a sleep physician.