Our data indicate that besides acute intake, also regular daytime caffeine intake affects REM sleep regulation in men, such that it delays circadian REM sleep ...

29 сент. 2023 г. · Research published in May 2021 reports regular daytime caffeine intake affects REM sleep regulation in men, delaying the start of circadian REM ...

25 сент. 2023 г. · REM sleep is associated with a dramatic increase in brain blood flow that is augmented by caffeine. Brain blood flow during non-REM sleep was ...

The results of this study suggest that 400 mg of caffeine taken 0, 3, or even 6 hours prior to bedtime significantly disrupts sleep. Even at 6 hours, caffeine ...

Some individuals may find that caffeine intake is associated with a reduced sleep quality and increased daytime sleepiness.

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.

Caffeine intake—particularly in high doses and close to bedtime—may also affect circadian-regulated rapid eye movement (REM) sleep promotion, an important ...

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

20 сент. 2020 г. · In summary, we have first evidence that regular caffeine intake during daytime weakens REM sleep promotion, as evident in prolonged REM latency ...

Caffeine intake—particularly in high doses and close to bedtime—may also affect circadian-regulated rapid eye movement (REM) sleep promotion, an important ...