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Shift work sleep disorder causes insomnia and excessive sleepiness from working non-traditional hours — affecting cognitive function and health.
Quick Answer
Shift work sleep disorder causes insomnia and excessive sleepiness from working non-traditional hours — affecting cognitive function and health. Dr. Jitendra Prasad Yadav (NMC 8029, 15+ years of clinical experience) evaluates shift work sleep disorder at Kathmandu Neurology Clinic & Cognitive Center, 117 Lal Durbar Marg, Kathmandu, Bagmati Province 44600, Nepal — evidence-based, medically reviewed.
Shift work sleep disorder (SWSD) is a circadian rhythm sleep disorder affecting people who work evening, night or rotating shifts — causing insomnia when trying to sleep and excessive sleepiness during work hours. It affects cognitive function, mood, metabolic health and increases accident risk.
Irritability
Difficulty concentrating
Management is individualized and discussed with benefits, limitations, and follow-up.
Mood changes
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Reviewed by Dr. Jitendra Prasad Yadav • Last reviewed: 2026-11-10
Content is educational and aligns with standard medical references; individual evaluation may vary. External links provide context and do not imply endorsement.
Doctor — medically reviewed
Dr. Jitendra Prasad Yadav
Consultant Neurologist & Headache Specialist • MBBS, MD (Internal Medicine), FICN (Neurology), FCNV, FIHM • NMC 8029
This condition guide was medically reviewed by Dr. Jitendra Prasad Yadav.
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Emergency
For sudden neurologic change, thunderclap headache, or seizure >5 min, seek emergency services now.