Drake et al. 2013
Study / Research
A double-blind study that tested the direct effect of 400mg caffeine intake at 0, 3, or 6 hours before bed, finding significant disruptions in sleep latency and total sleep time.
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A double-blind study that tested the direct effect of 400mg caffeine intake at 0, 3, or 6 hours before bed, finding significant disruptions in sleep latency and total sleep time.
