Sleep Debt

Articles tagged with "Sleep Debt".

Sleep Debt Accumulates: Dose-Response Effects of Extended Wakefulness on Brain Function

Tags: Sleep Debt, Extended Wakefulness, Dose Response, Neurobehavioral Function

October 22, 2025

How Does Extended Wakefulness Progressively Impair Brain Function?

Extended wakefulness produces dose-dependent declines in neurobehavioral performance, with research demonstrating that cognitive function deteriorates progressively as hours awake increase beyond normal limits. The relationship follows a predictable pattern: performance declines accelerate after 16 hours of wakefulness, with substantial impairments appearing after 18-20 hours awake, and severe deficits emerging after 24+ hours. This dose-response relationship reveals that sleep debt accumulates systematically, with each additional hour of wakefulness adding measurable cognitive costs.

Sleep Debt Disrupts Metabolism and Hormone Function in Young Men

Tags: Sleep Debt, Metabolic Function, Endocrine System, Hormone Regulation

October 22, 2025

Does Chronic Sleep Restriction Disrupt Your Metabolism and Hormones?

Yes, and the effects are profound and measurable. This landmark study published in The Lancet demonstrated that sleep debt—chronic partial sleep restriction—significantly impairs glucose tolerance, reduces insulin sensitivity, and disrupts multiple hormone systems in healthy young men. The research showed that just one week of sleep restriction to 4 hours per night created metabolic and endocrine changes resembling those seen in aging and diabetes, revealing how sleep debt accelerates metabolic dysfunction.