An Overview of Insomnia-Narcolepsy-Sleep Paralysis
An Overview of Insomnia
Insomnia is a sleep disorder that is characterized by difficulty falling and/or staying asleep. People with insomnia have one or more of the following symptoms:
• Difficulty falling asleep
• Waking up often during the night and having trouble going back to sleep
• Waking up too early in the morning
• Feeling tired upon waking
Types of Insomnia
There are two types of insomnia: primary insomnia and secondary insomnia.
• Primary insomnia: Primary insomnia means that a person is having sleep problems that are not directly associated with any other health condition or problem.
• 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).
Keywords: insomnia;lack of sleep
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