longitudinal
In a longitudinal study, researchers observe the same subjects and repeatedly gather data, or information, over a period of time.
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- Read about hypersomnia sleep disorders
- Section overview
- Idiopathic hypersomnia
- Narcolepsy type 2 (without cataplexy)
- Narcolepsy type 1 (with cataplexy)
- Compare symptoms of idiopathic hypersomnia and narcolepsy types 1 and 2
- Kleine-Levin syndrome (including menstrual-related hypersomnia)
- Hypersomnia and narcolepsy associated with other disorders
- Glossary
- Finding doctors, medicines, and treatments for hypersomnias
- Section overview
- Finding and working with doctors who treat hypersomnias
- International Directory of Healthcare Professionals
- Medicines for idiopathic hypersomnia and narcolepsy (and avoiding interactions with hormone medicines)
- Quality of life tips
- Sleep-wake journaling
- Preparing for anesthesia, hospital stays, and medical emergencies
- Pregnancy and safe baby care
- Living with a hypersomnia sleep disorder
- Section overview
- What’s it like to live with a hypersomnia?
- Educating others about your sleep disorder
- Napping in your car safely
- Going to school while coping with a hypersomnia
- Planning for job accommodations and disability income
- Dealing with health insurance denials
- Saving money on prescription medicines
- Financial tips for dependent adult children with sleep disorders
- Supporting a loved one who has a sleep disorder
- Professionals working with people who have hypersomnias
- Section overview
- Diagnosis, classification, symptoms, and causes of hypersomnias
- Treating people who have idiopathic hypersomnia or narcolepsy
- Clinician planning for anesthesia, hospitalization, and medical emergencies
- Clinician support for pregnancy and safe baby care
- Join our International Directory of Healthcare Professionals
- Get continuing medical education (CME)
- Resources for researchers and sleep study centers
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