Papers/PMID:39458438
Caffeine Intake Alters Recovery Sleep after Sleep Deprivation.
Nutrients2024The record
1 finding · 1 compound · 1 endpoint
What it reported
How to read these marksWhat moved
1 finding
caffeine — decreases total sleep time
ModerateEvidence strength: moderate. Human evidence with one recorded weakness, or capped at moderate by its design or by unread numbers.Findingreplicated ×2“Acute caffeine intake decreased TST during the recovery night (F(1,70) = 6.31, p = 0.01, −30.2 ± 8.2 min, η2 = 0.11) (see Table S1, Supplementary Data for linear mixed model statistical tables).”
Quoted verbatim from Caffeine Intake Alters Recovery Sleep after Sleep Deprivation.. - Study
- crossover
- Dose
- 2.5 mg/kg caffeine powder in a decaffeinated beverage at 08:30 and 14:30 each day during sleep deprivation, last dose 6.5 h before bedtime
- Population
- 41 healthy adults, mean age 33 years, after 38 h of total sleep deprivation; recovery night polysomnography with a Dreem headband
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