Hypnic Headache

Known as: Alarm Clock Headache, Clock Headache, Alarm, Headache, Alarm Clock 
A primary headache disorder which occurs exclusively during sleep and regularly awakes patients at a consistent time of night.
National Institutes of Health

Topic mentions per year

Topic mentions per year

1951-2018
0204019512017

Papers overview

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2011
2011
OBJECTIVE Hypnic headache (HH) is a rare primary headache disorder characterized by strictly nocturnal headache attacks that… (More)
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2008
2008
Hypnic headache is rarely reported in Asians, and the proposed International Classification of Headache Disorders (ICHD)-2… (More)
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Highly Cited
2004
Highly Cited
2004
Classic experiments have shown that ovulation and estrous cyclicity are under circadian control and that surgical ablation of the… (More)
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Highly Cited
2003
Highly Cited
2003
The Drosophila circadian clock consists of two interlocked transcriptional feedback loops. In one loop, dCLOCK/CYCLE activates… (More)
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2003
2003
We report the first four German cases of hypnic headache according to the criteria suggested in the literature. Furthermore, we… (More)
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2003
2003
We describe the polysomnographic data of two patients with nocturnal headache attacks fulfilling the clinical criteria for hypnic… (More)
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2000
2000
Hyponic headache syndrome is an unusual chronic headache that usually begins after age 60 years and occurs exclusively during… (More)
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2000
2000
Hypnic headache syndrome is a benign, recurrent, late-onset headache disorder that occurs exclusively during sleep. Lithium has… (More)
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Highly Cited
1998
Highly Cited
1998
We have cloned and characterized the mouse cDNA of a third mammalian homolog of the Drosophila period gene and designated it… (More)
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Highly Cited
1991
Highly Cited
1991
When a cat was presented to groups of 3 male and 2 female laboratory rats in the open area of a visible burrow system, the rats… (More)
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