28. The Impact of Mid Day Nap Duration on Blood Pressure: A Systematic Review and Meta-Analysis

Background and Aim: Hypertension, a major public health concern, is associated with various health complications. Recently, the role of nap power, specifically nap duration, has gained attention as a potential factor influencing blood pressure levels. We aim to assess the relationship between nap duration and blood pressure, shedding light on the potential implications for hypertension risk. Method: A comprehensive search was conducted across electronic databases for relevant studies published up to the knowledge cutoff date of January 2024. Inclusion criteria comprised studies investigating the effects of mid-day nap duration on blood pressure, with a focus on both short and prolonged nap periods. Two studies meeting these criteria were selected for analysis. Result: There were a total of 16.007 patients from 2 studies [1-2]. The outcome of this systematic review reported that mid-day napping was significantly associated with blood pressure. Meta-analysis showed that Mid-day napping ≥ 90 minutes was associated with Sistolic Blood Pressure (SBP) (1.72 [0/77-2.67], p=0.06 ; I2: 71%, p<0.0004) and Diastolic Blood Pressure (DBP) (0.69 [0.09-1.29], p=0.96 ; I2: 0%, p<0.02). There was no association between Mid-day napping < 30 minutes was associated with Sistolic Blood Pressure (SBP) (0.44 [-0.451.33], p=0.42 ; I2: 0%, p<0.33) and Diastolic Blood Pressure (DBP) (-0.16 [-0.71-0.39], p=0.02 ; I2: 80%, p<0.56). Conclusion: Our meta-analysis showed a midday napping of over 90 minutes increases the risk of high blood pressure.