1 Secondary insomnia: Secondary insomnia means that a person is having sleep problems because of something else, such as a health condition (like asthma, depression, arthritis, cancer, or heartburn); pain; medication they are taking; or a substance they are using (like alcohol).ypes of Insomnia. There are two types of insomnia: primary insomnia and secondary insomnia. 1  Primary insomnia: Primary insomnia means that a person is having sleep problems that are not directly associated with any other health condition or problem.
Custom fitted mouthguards are expected to last 2-3 years with normal use. Chewing on the mouthguard dramatically reduces the expected longevity. Boil and bite mouthguards should last one season, possibly longer. Stock mouthguards could last several months.
Among the different types of guards, custom mouthguards are the most expensive. 1  On average, to have a customized mouthguard, be prepared to pay anywhere from $200 to as much as $750. 2  On the other hand, do keep in mind that standard mouthguards found over the counter will usually cost less than $20. Custom mouthguards have three levels of protection: single lamination (3 mm to 5 mm thickness), double lamination (5 mm thickness), and triple lamination (made up of one lamination of thin, hard polycarbonate inserted in the middle of two soft laminations.