# Impact of sleep debt on metabolic and endocrine function

Spiegel K, Leproult R, Van Cauter E · Lancet 354(9188):1435–1439 · 1999



## Key finding

Six nights of 4 h sleep impaired glucose tolerance and raised evening cortisol in healthy young men.



[Read the paper](https://pubmed.ncbi.nlm.nih.gov/?term=Impact+of+sleep+debt+on+metabolic+and+endocrine+function)

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Educational summary of published research, not medical advice. Screening scores are not diagnoses. If a score is elevated or you feel unwell, talk to a clinician.

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