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Social jetlag and obesity
Roenneberg T, Allebrandt KV, Merrow M, Vetter C · Current Biology 22(10):939–943 · 2012
Key finding
Each hour of social jet lag was associated with ~33% higher odds of being overweight.
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Related studies
Sleep regularity is a stronger predictor of mortality risk than sleep durationIn ~60,000 UK Biobank participants, how regular sleep was predicted mortality better than how long it was.Social jetlagDefines social jet lag — the shift in sleep midpoint between work and free days — and links it to evening chronotypes and stimulant use.Irregular sleep/wake patterns are associated with poorer academic performance…Irregular sleepers had delayed melatonin onset and worse outcomes even at equal total sleep.
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