The prevalence of obstructive sleep apnea (OSA) is on the rise worldwide due to an increase in metabolic syndrome, obesity, and aging. Patients with OSA are at higher risk of perioperative complications than those without OSA; however, OSA is often not diagnosed before surgery. ...
Objectives: Light at night (LAN) can suppress melatonin secretion and thus disturb normal sleep. The aim of this study was to investigate how the illumination of a smartphone at bedtime affects the circadian rhythm and sleep in patients with insomnia.
Methods: We recruited two ...
Objectives: We analyzed theta-band phase synchrony (TBPS) under reduced and ordinary flicker lighting to determine the effect of light flickers on neurocognitive processes.
Methods: Nineteen healthy participants (mean age, 30.4±4.5 years; male, 63.2%) performed the Sternberg wo...
The relationship between cluster headache (CH) and sleep has been demonstrated. A 60-year-old man who suffered from refractory CH that occurred exclusively at night, complained of sleep fragmentation. Polysomnography revealed severe obstructive apnea with deep desaturation and s...
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