Study Examines the Relationship Between Sleep Duration and Stroke Risk
Overview of Sleep Patterns and Health
A recent study investigated whether excessive sleep can elevate the risk of stroke and how this risk may vary based on factors such as race and sex. Sleep experiences differ significantly among individuals, influenced by various elements including lifestyle changes, work-life balance, relationship issues, and diet.
Study Findings on Sleep and Stroke Risk
According to a press release, research published in the journal Neurology indicates that prolonged sleep may serve as a risk factor for stroke. The study specifically analyzed two demographic variables: race and sex.
The research involved 16,733 participants, including both Black and Caucasian individuals, with an average age of 64. All participants had no prior history of breathing problems or strokes during sleep. Researchers recorded their reported sleep duration on both workdays and non-workdays and monitored them over an average of six years to determine who experienced a stroke.
Impact of Sleep Duration by Gender and Race
The findings revealed that sleep duration affects individuals differently based on gender and race. Black men who averaged less than six hours of sleep per night were found to be 80% less likely to experience a stroke compared to their counterparts who slept an average amount. Conversely, White men sleeping more than nine hours each night had a 70% increased risk of stroke compared to those with average sleep patterns.
Adjusting for Other Risk Factors
The researchers accounted for additional stroke risk factors, such as diabetes, smoking, and heart disease, in their analysis. However, no significant interactions were observed between sleep duration and sex, nor between sleep duration and age alone.
Considerations and Future Research
It is important to acknowledge that sleep habits and durations were self-reported, which may lead to inaccuracies, as participants were asked about their sleep only once and may not have recalled all details accurately. Additionally, the study did not find significant differences in sleep duration effects for Caucasian or Black women.
This discovery regarding the stroke risk associated with excessive sleep represents a novel finding. Further research is necessary to explore the association and underlying mechanisms of this relationship. Nonetheless, the results underscore the need for improved monitoring and management of cardiovascular risk factors among middle-aged and older individuals who sleep longer.
Reference
Howard, V. (2018). Sleeping too much or too little may affect stroke risk differently based on race. [online] EurekAlert!. Available at: https://www.eurekalert.org/pub_releases/2018-10/aaon-stm100118.php [Accessed 24 Oct. 2018].