Research
Mixed
Chronic insufficient sleep (<6 hours/night) and circadian misalignment in military personnel cause significant mental and physical derangements, including increased risk for cardiovascular disease, PTSD, and cognitive failure.
Prioritize 7-9 hours of sleep as a non-negotiable part of your daily routine, especially before high-stress operations. Treat sleep with the same discipline as physical training. If you are struggling with sleep, address it early to prevent long-term health issues like cardiovascular disease or PTSD.
GoodSupportsHIGH confidence
The significant mental and physical derangements caused by degraded metabolic, cardiovascular, skeletomuscular, and cognitive health often result from insufficient sleep and/or circadian misalignment.
Why this rating
Based on a comprehensive review of human and animal models, including epidemiological studies and clinical trials.
Source
Sleep in the United States Military
Cameron H. Good et al. · Neuropsychopharmacology · 2019
DOI 10.1038/s41386-019-0431-7
narrative_reviewCited 172×
Read the paper DOI resolved against Crossref · corpus check 2026-06-10
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- Night shift work and rapid time-zone changes disrupt circadian rhythms, leading to increased morbidity, mortality, and cognitive impairment.Good
- Sleep pharmaceuticals (e.g., zolpidem, eszopiclone) used by military personnel can reduce short-term and long-term neurobehavioral performance, particularly in attention and reaction time.Good
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