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.
Buying a mouth guard from your dentist may cost as much as $500, but ordering online can reduce the cost without any loss of quality. Depending upon the severity of your bruxism and your specific mouth guard needs, a custom mouth guard can cost $100-$200 when purchased online and will last 6 months to 5 years. When ordering your night mouth guard, it is important that you choose a guard that will best protect your teeth.