Cerebrospinal Fluid Hypocretin-1 (Orexin-A) Level Fluctuates with Season and Correlates with Day Length

Open Access

Peer-reviewed

Research Article

Kim Boddum,

Affiliation Molecular Sleep Laboratory, Department of Clinical Biochemistry, Rigshospitalet, Glostrup, Denmark
⨯
Mathias Hvidtfelt Hansen,

Affiliation Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, Glostrup, Denmark
⨯
Poul Jørgen Jennum,

Affiliation Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, Glostrup, Denmark
⨯
Birgitte Rahbek Kornum

* E-mail: birgitte.kornum@regionh.dk

Affiliations Molecular Sleep Laboratory, Department of Clinical Biochemistry, Rigshospitalet, Glostrup, Denmark, Danish Center for Sleep Medicine, Department of Clinical Neurophysiology, Rigshospitalet, Glostrup, Denmark
⨯

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Cerebrospinal fluid
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Sleep
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Seasons
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Neurons
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Winter
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Narcolepsy
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Seasonal variations
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Sleep disorders
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