7 дек. 2018 г. · Caffeine consumption by day causes a reduction in 6-sulfatoxymelatonin (the main metabolite of melatonin) on the ensuing night, which is one of ...

6 февр. 2023 г. · Caffeine consumption reduced total sleep time by 45 min and sleep efficiency by 7%, with an increase in sleep onset latency of 9 min and wake after sleep onset ...

Specifically, caffeine consumption reduced total sleep time by 45 min, increased sleep onset latency by 9 min, and increased wake after sleep onset by 12 min.

6 окт. 2022 г. · Caffeine can have a disruptive effect on your sleep. The most obvious effect of the stimulant is that it can make it hard for you to fall asleep.

The caffeine condition reduced sleep efficiency by 5%, prolonged sleep latency by 12-16 min, and reduced total sleep time by 25-30 min relative to placebo.

25 февр. 2021 г. · Acute caffeine intake can delay sleep initiation and reduce sleep intensity, particularly when consumed in the evening.

12 мар. 2024 г. · Although caffeine undoubtedly provides a boost of energy, its effects are temporary—and, research shows, may interfere with sleep quality.

25 сент. 2023 г. · A new study finds that chronic caffeine consumption has surprising effects on sleep patterns and brain blood flow in mice, increasing brain blood flow during ...

High doses of caffeine can make it hard to fall asleep and stay asleep. Some people are more sensitive to caffeine's effects on sleep quality than others.