Insomnia

usgb/ɪnˈsɑːmniə/Volume
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LampPro Tip 1/3
Not Just NightPlay
Insomnia can refer to trouble sleeping at any time, not only during the night. SlideJet lag caused him to experience insomnia in the afternoons.
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Repeated DifficultyPlay
Insomnia is not just one poor night's sleep, but a regular pattern of sleep issues. SlideDespite being tired, her insomnia stopped her from sleeping well for weeks.
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Medical ConditionPlay
Insomnia is recognized as a medical issue, not a choice or regular tiredness. SlideHer doctor diagnosed her persistent sleep problems as insomnia.