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.
Yes, they might only last one year, but could also last up to ten. It would depend on certain conditions in your mouth, your bite, what kind of food you eat, the drinks you ingest, how much of your tooth is there for the composite to be bonded onto. Also the skill and expertise of the dentist.