Effects of caffeine on daytime recovery sleep: A double challenge to the sleep–wake cycle in aging

Carrier, Julie; Paquet, Jean; Fernandez‐Bolaños, Marta; Girouard, Laurence; Roy, Joanie; Selmaoui, Brahim; Filipini, Daniel

doi:10.1016/j.sleep.2009.01.001

Cited by 68 publications

(76 citation statements)

References 56 publications

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“…This may be the reason for the high levels of morning consumption of beverages containing central nervous system stimulants, such as coffee or tea. [64][65][66] Performance improves toward noon (10:00-14:00), but there is a post-lunch dip at 14:00-16:00. 26 Performance improves again in the afternoon, reaching its highest level in the evening (16:00-22:00).…”

Section: Time Course Of Circadian Rhythms In Cognitive Performancementioning

confidence: 98%

Circadian rhythms in cognitive performance: implications for neuropsychological assessment

Valdéz¹,

Ramírez²,

García³

2012

CPT

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Circadian variations have been found in human performance, including the efficiency to execute many tasks, such as sensory, motor, reaction time, time estimation, memory, verbal, arithmetic calculations, and simulated driving tasks. Performance increases during the day and decreases during the night. Circadian rhythms have been found in three basic neuropsychological processes (attention, working memory, and executive functions), which may explain oscillations in the performance of many tasks. The time course of circadian rhythms in cognitive performance may be modified significantly in patients with brain disorders, due to chronotype, age, alterations of the circadian rhythm, sleep deprivation, type of disorder, and medication. This review analyzes the recent results on circadian rhythms in cognitive performance, as well as the implications of these rhythms for the neuropsychological assessment of patients with brain disorders such as traumatic head injury, stroke, dementia, developmental disorders, and psychiatric disorders.

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Section: Time Course Of Circadian Rhythms In Cognitive Performancementioning

confidence: 98%

Circadian rhythms in cognitive performance: implications for neuropsychological assessment

Valdéz¹,

Ramírez²,

García³

2012

CPT

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“…The effects of caffeine on daytime recovery sleep after 25 h of sleep deprivation were studied by Carrier et al (2009). Young (age 20-30 years) and middle-aged volunteers (age 45-60 years) participated in a caffeine (200 mg) and placebo condition, spaced 1 month apart.…”

Section: Caffeine and Recovery Sleepmentioning

confidence: 99%

“…An important difference between the Philip et al (2006) study and studies in which a clear effect of caffeine on recovery sleep was observed might be the length of the sleep deprivation period used. Carrier et al (2009), for example, exposed their participants to 25 h of sleep deprivation, while participants in the Philip et al (2006) study were allowed to go to sleep immediately after the nighttime driving session (i.e., after 3.30 a.m.). Besides the duration of the sleep deprivation period, circadian rhythm might be another important factor that has to be taken into account in explaining differential effects of caffeine on recovery sleep.…”

Section: Caffeine and Recovery Sleepmentioning

confidence: 99%

“…Besides the duration of the sleep deprivation period, circadian rhythm might be another important factor that has to be taken into account in explaining differential effects of caffeine on recovery sleep. The participants in the Carrier et al (2009) study were instructed to maintain a regular sleep-wake schedule before the experimental session and the experimenters monitored these individuals during the 3 days before each experimental session to verify the absence of sleep deprivation. Effects of caffeine on sleep variables in individuals working night shifts or suffering from jet lag may be more pronounced because of stronger influences of circadian rhythms and related physiological processes in these individuals.…”

Section: Caffeine and Recovery Sleepmentioning

confidence: 99%

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Effects of caffeine on sleep and cognition

Snel

Lorist

2011

Progress in Brain Research

156

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“…Furthermore, caffeine is the most widely used stimulant to counteract the effects of sleepiness, but it also has detrimental effects on subsequent sleep. This is especially evident when sleep is initiated at a time when the biological clock sends a strong waking signal, such as during the daytime [9]. In fact, in the general adult population, sleep problems such as sleep disturbance and daytime sleepiness have been associated with caffeine use [1].…”

Section: Introductionmentioning

confidence: 99%

Caffeine intake reduces sleep duration in adolescents

et al. 2013

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In our study, we hypothesized that higher caffeine intake would be associated with lower sleep duration among 13-year-old adolescents. In addition, we aimed to identify food sources of caffeine intake in this sample. Eligible participants were adolescents who were born in 1990 and attended school in Porto, Portugal, in 2003. Self-administered questionnaires were used, and diet was evaluated using a food frequency questionnaire.From the 2160 eligible participants, only 1522 with valid information regarding their diet were included in this study. In our sample, the median intake of caffeine was 23.1 mg/d, with soft drinks being the major source. Ice tea presented the highest median (25th-75th percentiles) contribution (33.1% [14.0-52.1]), followed by cola (21.1% [6.4-37.6]). Regarding cocoa products, chocolate bars presented a median contribution of 5.1% (1.0-14.0), and snacks containing chocolate had a contribution of 3.0% (0.5-7.2). Coffee and tea presented a negligible contribution. Adolescents who reported less sleep duration and those who spent more time watching TV during the weekend had a significantly higher caffeine intake.Overall, boys had higher intakes of caffeine from soft drinks, and private school attendees, those who had parents with more education, who reported less television viewing time and had lower body mass index presented higher intakes of caffeine from chocolate. Considering sleeping more than 9.5 hours as a reference class, for each increase of 10 mg/d in caffeine intake, we found that the odds ratio of sleeping 8.5 hours or less was 1.12 (95% confidence interval, 1.06-1.19). Our results support the hypothesis that caffeine intake was inversely associated with sleep duration in adolescents.

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Effects of caffeine on daytime recovery sleep: A double challenge to the sleep–wake cycle in aging

Cited by 68 publications

References 56 publications

Circadian rhythms in cognitive performance: implications for neuropsychological assessment

Circadian rhythms in cognitive performance: implications for neuropsychological assessment

Effects of caffeine on sleep and cognition

Caffeine intake reduces sleep duration in adolescents

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