Bedtime blood-pressure medication lowered nighttime readings in older adults
A review of randomized trials found lower nighttime blood pressure with bedtime dosing, but no significant differences in daytime or whole-monitoring-period averages.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
In older adults, bedtime dosing lowered nighttime blood pressure more than morning dosing. Daytime readings and averages across the full monitoring period showed no statistically significant differences. The result is specific to blood-pressure patterns; the abstract does not establish fewer cardiovascular events, improved survival or a better overall safety profile with bedtime treatment.
The abstract does not report treatment duration, drug-specific results or adverse events. Blood-pressure differences alone cannot establish whether bedtime dosing improves clinical outcomes or is preferable for an individual patient.
What researchers found
Nighttime systolic blood pressure
Bedtime versus morning dosing: pooled mean difference in nighttime readings. Treatment duration and exact nighttime measurement windows are not reported.
The signal was specific to nighttime
Nighttime diastolic pressure also fell more with bedtime dosing. Daytime and full-period averages did not differ significantly, so a result confined to nighttime readings should not be treated as evidence of better control throughout the whole day.
A sensitivity check supported the result
The nighttime result persisted when the authors excluded a disputed dataset. Some studies also found fewer people with a non-dipping blood-pressure profile, but this pattern was not reported consistently across all studies assessing it.
The original publication
Improvement in nocturnal blood pressure with bedtime antihypertensive administration in older adults aged 65 and above: a systematic review and meta-analysis.
Saren J, Lieten S, Petrovic M et al.
Clin Auton Res · 2025
- PubMed ID
- 41028404
- Record checked
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