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.
Buy a Ready-Made Mouth Guard. People who have TMJ--a disorder that is characterized by pain and clicking or cracking noises in your jaw when you chew, yawn and talk--often unwittingly grind their teeth at night. To prevent the tooth-grinding and the pain, wear a mouth guard at night. The guard is usually worn on the upper teeth, and creates a barrier that prevents them from meeting the lower teeth. You can't grind teeth that don't touch. If you have minor TMJ symptoms, use ready-made mouth guard, available at most sporting goods stores. These mouth guard are made of plastic that becomes pliable when heated. Boil the mouth guard according to the package directions and put it in your mouth while still warm.